גלאוקומה וקטרקט, פרופ' איתן בלומנטל | רשימת פרסומים מדעיים של פרופ' בלומנטל

Risk Factors and Incidence of Ocular Hypertension After Penetrating Keratoplasty

Faik Oruc¸oglu, MD, Eytan Z. Blumenthal, MD, Joseph Frucht-Pery, MD, and Abraham Solomon, MD Journal of Glaucoma. 2013 Feb 19. Kudret Eye Hospital, Istanbul, Turkey Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: Ocular hypertension is a potentially serious complication after penetrating keratoplasty (PKP). Our objective is to...

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רשימת פרסומים מדעיים של פרופ' איתן בלומנטל

ORIGINAL RESEARCH PAPERS Blumenthal EZ. Adjusting the slit-lamp oculars: An unnecessary burden or a must?  Survey of Ophthalmology 1995;40(3):225-228. Abstract Full-text (PDF) Blumenthal EZ, Serpetopoulos CN. On focusing the slit-lamp. Part I: An inaccurate ocular setting, what is there to lose.  Survey of Ophthalmology 1998;42(4):351-354. Abstract Full-text (PDF) Blumenthal EZ,...

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Adjusting The Slit-Lamp Oculars: An Unnecessary Burden Or A Must?

Blumenthal EZ. Surv Ophthalmol. 1995 Nov-Dec;40(3):225-8. Department of Opthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: Adjusting the slit-lamp eyepiece rings is perceived by some to be insignificant for achieving adequate focus. Others assume that these rings should be set only to compensate for one’s refractive error. Observations are presented concerning the...

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On Focusing The Slit-Lamp: Part I. An Inaccurate Ocular Setting–What Is There To Lose?

Blumenthal EZ, Serpetopoulos CN. Surv Ophthalmol. 1998 Jan-Feb;42(4):351-4. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: Adjustments of the diopter rings on the slit-lamp oculars compensate for three independent factors: the observer’s refractive error, the observer’s state of accommodation, and any instrument misalignment. An inaccurate setting...

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Glaucomatous-Like Cupping Associated With Slow-Growing Supra-Sellar Intracranial Lesions

Blumenthal EZ, Girkin CA, Dotan S. Neuro-Ophthalmology. 2006;30:111-115. Department of Ophthalmology, Hebrew University-Hadassah Medical Center, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: PURPOSE: To demonstrate that slow-growing intracranial suprasellar mass lesions can be associated with optic disc cupping, clinically indistinguishable from glaucomatous optic neuropathy. CASES: At...

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On Focusing The Slit-Lamp: Part II. “The Fading-Slit Test” Verifying The Ocular Setting

Blumenthal EZ, Serpetopoulos CN Surv Ophthalmol. 1998 Jan-Feb;42(4):355-7. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT The focusing-rod test is considered the gold standard for determining the correct setting of the slit-lamp ocular rings. This method is, however, somewhat time-consuming, considering the time it often takes to locate a rod every time...

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The Role Of Preoperative Ultrasonography For Patients With Dense Cataract: A Retrospective Study Of 509 Cases

Anteby II, Blumenthal EZ, Zamir E, Waindim P. Ophthalmic Surg Lasers. 1998 Feb;29(2):114-8. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: BACKGROUND AND OBJECTIVE: Ocular ultrasonography is widely used for the evaluation of eyes with opaque ocular media. Although preoperative ultrasonography of the globe has been recommended for patients with dense...

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Aligning The Goldmann Tonometer Tip By Means Of The “Precontact Whitish Rings”

Blumenthal EZ. Surv Ophthalmol. 1999 Sep-Oct;44(2):171-2. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: A set of whitish rings observed before contact is made during Goldmann-type applanation tonometry can help simplify and speed the examination. The orientation and size of the rings are useful both in aligning the tonometer and in estimating the...

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Correlating Structure With Function In End-Stage Glaucoma

Blumenthal EZ, Horani A, Sasikumar R, Garudadri C, Udaykumar A, Thomas R. Ophthalmic Surg Lasers Imaging. 2006 May-Jun;37(3):218-23. Department of Ophthalmology, Hebrew University-Hadassah Medical Center, Jerusalem, Israel. ABSTRACT: BACKGROUND AND OBJECTIVE: To correlate structure and function in eyes with end-stage glaucoma. PATIENTS AND METHODS: Fifty-six eyes of 48 patients with glaucoma...

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Clinical Characteristics Of Eyes Demonstrating Atypical Patterns In Scanning Laser Polarimetry

Orlev A, Horani A, Rapson Y, Cohen MJ, Blumenthal EZ. Eye (Lond). 2008 Nov;22(11):1378-83. Epub 2007 Jul 13. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: To characterize which clinical features are associated with the occurrence of atypical birefringence patterns (ABP) occasionally seen with scanning laser polarimetry...

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Measurement Of Choroidal Melanoma Basal Diameter By Wide-Angle Digital Fundus Camera: A Comparison With Ultrasound Measurement

Pe'er J, Sancho C, Cantu J, Eilam S, Barzel I, Shulman M, Blumenthal EZ. Ophthalmologica. 2006;220(3):194-7. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. peer@md.huji.ac.il ABSTRACT: PURPOSE: To compare the measurement of the basal diameter of choroidal melanoma, an important parameter for planning treatment and as a prognostic factor, by...

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Punch Biopsy Of Iris Lesions: A Novel Technique For Obtaining Histology Samples

Pe'er J, Blumenthal EZ, Frenkel S. Br J Ophthalmol. 2007 May;91(5):660-2. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, PO Box 12000, 91120 Jerusalem, Israel. peer@md.huji.ac.il ABSTRACT: AIM: To obtain iris biopsy samples of sufficient quality and quantity for histopathological analysis using a novel punch biopsy technique. METHODS: Two patients underwent iris tumour...

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Early Transient Visual Acuity Loss After Lasik Due To Steroid-Induced Elevation Of Intraocular Pressure

Frucht-Pery J, Landau D, Raiskup F, Orucov F, Strassman E, Blumenthal EZ, Solomon A. J Refract Surg. 2007 Mar;23(3):244-51. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: To report the clinical course of early transient reduction of uncorrected visual acuity (UCVA) after LASIK surgery resulting from steroid-induced elevation of...

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Morphometric Analysis Of Human Peripapillary Retinal Nerve Fiber Layer Thickness

Cohen MJ, Kaliner E, Frenkel S, Kogan M, Miron H, Blumenthal EZ. Invest Ophthalmol Vis Sci. 2008 Mar;49(3):941-4. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: The peripapillary retinal nerve fiber layer (RNFL) thickness pattern in the normal human eye has been well characterized using data obtained with scanning laser polarimetry...

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Measuring Choroidal Melanoma Basal Diameter: Using Ultrasound Vs. A New Wide–angle Fundus Camera

J.J. Pe'er, C. Sancho, J. Cantu, S. Eilam, I. Barzel, M. Shulman and E.Z. Blumenthal Invest Ophthalmol Vis Sci 2004;45: E-Abstract 1223. © 2004 ARVO 1223 – B34 Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel Commercial Relationships: J.J. Pe'er, None; C. Sancho, None; J. Cantu, None; S. Eilam, None; I. Barzel, None; M. Shulman, None; E.Z....

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Visual Function-Specific Perimetry For Indirect Comparison Of Different Ganglion Cell Populations In Glaucoma

Sample PA, Bosworth CF, Blumenthal EZ, Girkin C, Weinreb RN. Invest Ophthalmol Vis Sci. 2000 Jun;41(7):1783-90. Department of Ophthalmology, University of California at San Diego, La Jolla 92093-0946, USA. ABSTRACT: PURPOSE: To compare short-wavelength automated perimetry, frequency-doubling technology perimetry, and motion-automated perimetry, each of which assesses different aspects of...

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Test-Retest Variability In Visual Field Testing Using Frequency Doubling Technology

Horani A, Frenkel S, Blumenthal EZ. Eur J Ophthalmol. 2007 Mar-Apr;17(2):203-7. Department of Ophthalmology, Hadassah University Hospital, and Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel. ABSTRACT: PURPOSE: To quantify the magnitude of test-retest variability (TRV) for normal subjects in serial visual fields (VF) using the frequency doubling technology (FDT)...

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The Effect of Pupil Dilation on Scanning Laser Polarimetry with Variable Cornea Compensation

E.Z. Blumenthal, A. Horani and S. Frenkel Invest Ophthalmol Vis Sci 2004;45: E-Abstract 3311. © 2004 ARVO 3311 – B946 Dept of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel Commercial Relationships: E.Z. Blumenthal, Laser Diagnostic Technologies F; A. Horani, None; S. Frenkel, None. Grant Identification: none ABSTRACT: PURPOSE: Scanning laser polarimetry is routinely...

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Inter-Device Reproducibility of the Scanning Laser Polarimeter with Variable Cornea Compensation

E.Z. Blumenthal and S. Frenkel Invest Ophthalmol Vis Sci 2003;44: E-Abstract 3390. © 2003 ARVO 3390 – B93 Dept of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel Commercial Relationships: E.Z. Blumenthal, Laser Diagnostic Technologies F; S. Frenkel, None. ABSTRACT: PURPOSE: To evaluate the inter-device reproducibility of retinal nerve fiber layer (RNFL) thickness...

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Short-Wavelength Automated Perimetry And Standard Perimetry In The Detection Of Progressive Optic Disc Cupping

Girkin CA, Emdadi A, Sample PA, Blumenthal EZ, Lee AC, Zangwill LM, Weinreb RN. Arch Ophthalmol. 2000 Sep;118(9):1231-6. Glaucoma Center, University of California-San Diego, 9500 Gilman Dr, La Jolla, CA 92093-0946, USA. ABSTRACT: OBJECTIVE: To compare progression in short-wavelength automated perimetry (SWAP) and white-on-white (standard) perimetry in eyes with progressive glaucomatous changes...

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Retinal Nerve Fibre Layer Imaging Compared With Histological Measurements In A Human Eye

Blumenthal EZ, Parikh RS, Pe'er J, Naik M, Kaliner E, Cohen MJ, Prabakaran S, Kogan M, Thomas R. Eye (Lond). 2009 Jan;23(1):171-5. Epub 2007 Aug 24. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: PURPOSE: A feasibility study comparing retinal nerve fibre layer (RNFL) thickness values obtained with imaging devices...

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Retinal Nerve Fiber Layer Split Bundles Are True Anatomic Variants

Kaliner E, Cohen MJ, Miron H, Kogan M, Blumenthal EZ. Ophthalmology. 2007 Dec;114(12):2259-64. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: The presence of retinal nerve fiber layer (RNFL) split bundles recently was described in normal eyes scanned using scanning laser polarimetry. In this study, the authors set out to ascertain...

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Reproducibility Of Nerve Fiber Layer Thickness Measurements By Use Of Optical Coherence Tomography

Blumenthal EZ, Williams JM, Weinreb RN, Girkin CA, Berry CC, Zangwill LM. Ophthalmology. 2000 Dec;107(12):2278-82. Glaucoma Center and Diagnostic Imaging Laboratory, Department of Ophthalmology, University of California, San Diego, USA. ABSTRACT: OBJECTIVE: To evaluate the reproducibility of optical coherence tomograph (OCT) retinal nerve fiber layer (RNFL) measurements in normal and...

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Laser Photocoagulation Spot-Size Errors Stemming From The Refractive State Of The Surgeon’s Eye

Blumenthal EZ, Serpetopoulos CN. Ophthalmology. 2000 Feb;107(2):329-33. Department of Ophthalmology, Hadassah University Hospital, and Hebrew University-Hadassah Medical School, Jerusalem, Israel. ABSTRACT: PURPOSE: Meaningful errors in photocoagulation spot size may result from several factors. In this article we discuss one major factor, namely, fluctuations in the surgeon’s accommodative...

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Estimating Intraocular Pressure Using A Glass Rod

Frenkel S, Katz S, Horani A, Kaiserman I, Asleh SA, Blumenthal EZ. Ann Ophthalmol (Skokie). 2006 Fall;38(3):195-9. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: Four masked examiners studied the usefulness of the glass-rod for estimating intraocular pressure (IOP) in a living, anesthetized rabbit eye manometrically...

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Comparison Of Long-Term Variability For Standard And Short-Wavelength Automated Perimetry In Stable Glaucoma Patients

Blumenthal EZ, Sample PA, Zangwill L, Lee AC, Kono Y, Weinreb RN. Am J Ophthalmol. 2000 Mar;129(3):309-13. Glaucoma Center and Visual Function Laboratory, Department of Ophthalmology, University of California, San Diego, CA, USA. ABSTRACT: PURPOSE: To quantify and compare, on a point-by-point basis, the long-term variability of standard and short-wavelength automated perimetry in a group of...

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Discriminating Between Normal And Glaucomatous Eyes Using The Heidelberg Retina Tomograph, Gdx Nerve Fiber Analyzer And The Optical Coherence Tomograph

Zangwill LM, Bowd C, Berry CC, Williams J, Blumenthal EZ, Sanchez-Galeana CA, Vasile C, Weinreb RN. Archives of Ophthalmology 2001;119(7):985-993 Glaucoma Center, Department of Ophthalmology, University of California-San Diego, La Jolla, CA 92093-0946, USA. ABSTRACT: OBJECTIVE: To compare the ability of 3 instruments, the Heidelberg Retina Tomograph (HRT), the GDx Nerve Fiber Analyzer (GDx),...

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Using Optical Imaging Summary Data To Detect Glaucoma

Sanchez-Galeana C, Bowd C, Blumenthal EZ, Gokhale PA, Zangwill LM, Weinreb RN. Ophthalmology. 2001 Oct;108(10):1812-8. Glaucoma Center, University of California San Diego, La Jolla, California 92093-0946, USA. ABSTRACT: PURPOSE: To evaluate the sensitivity and specificity for discriminating between early to moderate glaucomatous and normal eyes using summary data reports from the Heidelberg...

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Detecting Early Glaucoma By Assessment Of Retinal Nerve Fiber Layer Thickness And Visual Function

Bowd C, Zangwill LM, Berry CC, Blumenthal EZ, Vasile C, Sanchez-Galeana C, Bosworth CF, Sample PA, Weinreb RN. Invest Ophthalmol Vis Sci. 2001 Aug;42(9):1993-2003. Glaucoma Center, Department of Ophthalmology, University of California San Diego, La Jolla 92093-0946, USA. ABSTRACT: PURPOSE: To compare the abilities of scanning laser polarimetry (SLP), optical coherence tomography (OCT),...

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Imaging Of The Optic Disc And Retinal Nerve Fiber Layer: The Effects Of Age, Optic Disc Area, Refractive Error, And Gender

Bowd C, Zangwill LM, Blumenthal EZ, Vasile C, Boehm AG, Gokhale PA, Mohammadi K, Amini P, Sankary TM, Weinreb RN. J Opt Soc Am A Opt Image Sci Vis. 2002 Jan;19(1):197-207. Glaucoma Center, Department of Ophthalmology, University of California, San Diego, La Jolla 92093-0946, USA. cbowd@eyecenter.ucsd.edu ABSTRACT: We cross-sectionally examined the relationship between age, optic disc area,...

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Comparing Machine Learning Classifiers For Diagnosing Glaucoma From Standard Automated Perimetry

Goldbaum MH, Sample PA, Chan K, Williams J, Lee TW, Blumenthal E, Girkin CA, Zangwill LM, Bowd C, Sejnowski T, Weinreb RN. Invest Ophthalmol Vis Sci. 2002 Jan;43(1):162-9. Ophthalmic Informatics Laboratory, Department of Ophthalmology, University of California at San Diego, La Jolla, California, USA. mgoldbaum@ucsd.edu ABSTRACT: PURPOSE: To determine which machine learning classifier learns...

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Infrequent Confirmation Of Visual Field Progression

Lee AC, Sample PA, Blumenthal EZ, Berry C, Zangwill L, Weinreb RN. Ophthalmology. 2002 Jun;109(6):1059-65. Glaucoma Center and Visual Function Laboratory, Department of Ophthalmology, University of California, San Diego, California 92093-0946, USA. ABSTRACT: OBJECTIVE: To evaluate the effects of the repeatability criteria on the detection of change in visual fields by six progression...

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Changes In Ultrasound Findings In Posterior Uveal Melanoma After Ruthenium 106 Brachytherapy

Kaiserman I, Anteby I, Chowers I, Blumenthal EZ, Kliers I, Pe’er J. Ophthalmology. 2002 Jun;109(6):1137-41. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. Igork@cc.huji.ac.il ABSTRACT: PURPOSE: To analyze the postbrachytherapy ultrasonographic dynamics of uveal melanoma tumor height and internal reflectivity. DESIGN: Prospective, comparative, observational case...

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The Learning Effect In Visual Field Testing Of Healthy Subjects Using Frequency Doubling Technology

Horani A, Frenkel S, Yahalom C, Farber MD, Ticho U, Blumenthal EZ. J Glaucoma. 2002 Dec;11(6):511-6. Department of Opthalmology, Hadassah University Hospital, Hadassah Medical School, Jerusalem, Israel. ABSTRACT: PURPOSE: To evaluate the presence, duration and magnitude of a learning effect in serial visual field (VF) testing, using the commercially available frequency doubling technology...

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Misleading Statistical Calculations In Far-Advanced Glaucomatous Visual Field Loss

Blumenthal EZ, Sapir-Pichhadze R. Ophthalmology. 2003 Jan;110(1):196-200. Department of Ophthalmology, Hadassah University Hospital, and Hebrew University-Hadassah Medical School, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: OBJECTIVE: In this study, the capability of statistical analysis indices to characterize static automated visual fields (VFs) accurately in cases of...

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Evaluating Several Sources Of Variability For Standard And Swap Visual Fields In Glaucoma Patients, Suspects, And Normals

Blumenthal EZ, Sample PA, Berry CC, Lee AC, Girkin CA, Zangwill L, Caprioli J, Weinreb RN. Ophthalmology. 2003 Oct;110(10):1895-902. Glaucoma Center and Visual Function Laboratory, Dept. of Opthalmology, University of California-San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0946, USA. ABSTRACT: PURPOSE: To quantify factors affecting test-retest variability of threshold measurements over a...

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Quantifying Retinal Nerve Fiber Layer Thickness Histologically: A Novel Approach To Sectioning Of The Retina

Blumenthal EZ. Invest Ophthalmol Vis Sci. 2004 May;45(5):1404-9. Department of Ophthalmology, Hebrew University, Hadassah Medical Center, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: PURPOSE: To present a technique of ocular sectioning that enables continuous histologic measurements of peripapillary retinal nerve fiber layer (RNFL) thickness in a concentric ring around the optic...

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The Reliability Of Frequency-Doubling Perimetry In Young Children

Blumenthal EZ, Haddad A, Horani A, Anteby I. Ophthalmology. 2004 Mar;111(3):435-9. Comment in: Ophthalmology. 2005 Jan;112(1):169; author reply 169-70. Department of Ophthalmology, Hadassah University Hospital, PO Box 12000, Jerusalem 91120, Israel. eblumenthal@md.huji.ac.il ABSTRACT: OBJECTIVE: To evaluate whether healthy young children are able to perform automated static perimetry reliably...

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Post-Brachytherapy Initial Tumour Regression Rate Correlates With Metastatic Spread In Posterior Uveal Melanoma

Kaiserman I, Anteby I, Chowers I, Blumenthal EZ, Kliers I, Pe’er J. Br J Ophthalmol. 2004 Jul;88(7):892-5. Department of Ophthalmology, Hadassah University Hospital, POB 12000, IL-91120 Jerusalem, Israel. Igork@cc.huji.ac.il ABSTRACT: AIM: To confirm the prognostic value of post-brachytherapy initial tumour regression rate in posterior uveal melanoma. METHODS: A prospective, comparative,...

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Trabeculectomy and Phaco-Trabeculectomy with and without Peripheral Iridectomy

Kaplan-Messas A, Cohen Y, Blumenthal E, Avni I. Eur J Ophthalmol. 2009 Mar-Apr;19(2):231-4. Department of Ophthalmology, Assaf Harofeh Medical Center, Zerifin, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv – Israel. audreykap@gmail.com ABSTRACT: PURPOSE: To compare the 1-year outcome of trabeculectomy and combined phaco-trabeculectomy that were performed...

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Using Unsupervised Learning With Variational Bayesian Mixture Of Factor Analysis To Identify Patterns Of Glaucomatous Visual Field Defects

Sample PA, Chan K, Boden C, Lee TW, Blumenthal EZ, Weinreb RN, Bernd A, Pascual J, Hao J, Sejnowski T, Goldbaum MH. Invest Ophthalmol Vis Sci. 2004 Aug;45(8):2596-605. Hamilton Glaucoma Center, Department of Ophthalmology, University of California-San Diego, La Jolla, 92093-0946, USA. psample@eyecenter.ucsd.edu ABSTRACT: PURPOSE: To determine whether an unsupervised machine learning ...

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Patterns Of Glaucomatous Visual Field Progression Identified By Three Progression Criteria

Boden C, Blumenthal EZ, Pascual J, McEwan G, Weinreb RN, Medeiros F, Sample PA. Am J Ophthalmol. 2004 Dec;138(6):1029-36. Hamilton Glaucoma Center and Visual Function Laboratory, Department of Ophthalmology, University of California, San Diego, La Jolla, California 92093, USA. cboden@eyecenter.ucsd.edu ABSTRACT: PURPOSE: To determine typical patterns of repeatable glaucomatous visual field...

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Operator Learning Effect And Interoperator Reproducibility Of The Scanning Laser Polarimeter With Variable Corneal Compensation

Frenkel S, Slonim E, Horani A, Molcho M, Barzel I, Blumenthal EZ. Ophthalmology. 2005 Feb;112(2):257-61. Department of Ophthalmology, Hebrew University-Hadassah Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: To ascertain operator learning effect, and to quantify the interoperator reproducibility, using the newly introduced GDx VCC (variable corneal compensator) scanning laser...

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Inter-Device Reproducibility Of The Scanning Laser Polarimeter With Variable Cornea Compensation

Blumenthal EZ, Frenkel S. Eye. 2005 Mar;19(3):308-11. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. eblumenthal@md.huji.ac.il ABSTRACT: OBJECTIVE: To evaluate the interdevice reproducibility of retinal nerve fibre layer (RNFL) thickness measurements obtained with the commercially available GDx-VCC, a scanning laser polarimeter with variable (individualized)...

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The Effect Of Pupil Dilation On Scanning Laser Polarimetry With Variable Corneal Compensation

Horani A, Frenkel S, Blumenthal EZ. Ophthalmic Surg Lasers. 2006 May/June 37 (3). Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT BACKGROUND AND OBJECTIVE: The feasibility and reproducibility of scanning laser polarimetry performed through dilated pupils rather than through non-dilated pupils was tested. PATIENTS AND METHODS: One eye each of 36 subjects...

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Histological Measurement Of Retinal Nerve Fibre Layer Thickness

Frenkel S, Morgan JE, Blumenthal EZ. Eye 2005 May;19(5):491-8. Department of Ophthalmology, Hebrew University-Hadassah Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: Accurate assessment of the retinal nerve fibre layer (RNFL) is central to the diagnosis and follow-up of glaucoma. The in vivo measurement of RNFL thickness by a variety of digital imaging technologies is becoming an...

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A Giant Tuberculous Lymphangioma Extending From The Mediastinum To The Inguinal Region

Blumenthal EZ, Gottehrer NP, Dollberg M, Halevy J. Chest. 1994 Apr;105(4):1279-80. Department of Internal Medicine, Shaare Zedek Medical Center, Hebrew University, Jerusalem, Israel. ABSTRACT: A 23-year-old Ethiopian new immigrant presented with a giant lymphangioma extending from the posterior mediastinum through the retroperitoneum, ending as a herniated fluid-filled sac in the inguinal ...

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Recurrent Abducens Nerve Palsy Caused By Dolichoectasia Of The Cavernous Internal Carotid Artery

Blumenthal EZ, Gomori JM, Dotan S. Am J Ophthalmol. 1997 Aug;124(2):255-7. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: PURPOSE: To describe a 59-year-old patient who had seven recurrent, self-limited episodes of isolated ipsilateral abducens nerve palsy in the previous 4 years. Each episode lasted between 2 and 5 weeks. METHODS: Systemic examination...

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Multiple Conjunctival Metastases As The Initial Sign Of Metastatic Uveal Melanoma

Blumenthal EZ, Garzozi H, Bahir J, Pe’er J. Am J Ophthalmol. 1997 Oct;124(4):549-50. Department of Ophthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: PURPOSE: To describe a 31-year-old patient who was initially examined with a uveal malignant melanoma metastatic to the ipsilateral conjunctiva. METHOD: Thirteen months after ruthenium 106 plaque therapy for a...

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Multifocal Choroidal Malignant Melanoma: At Least 3 Melanomas In One Eye

Blumenthal EZ, Pe’er J Arch Ophthalmol. 1999 Feb;117(2):255-8. Department of Ophthalmology, Hadassah University Hospital and Hebrew University-Hadassah Medical School, Jerusalem, Israel. ABSTRACT: OBJECTIVES: To describe a case of an enucleated eye harboring multiple choroidal malignant melanomas. METHODS: Clinical, ultrasonographic, and histopathological evaluations. RESULTS: Meticulous ...

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Corticosteroid-Induced Glaucoma Attributable To An Adrenocorticotropin-Secreting Malignant Carcinoid Tumor Of The Thymus

Blumenthal EZ, Muszkat M, Pe’er J, Ticho U. Am J Ophthalmol. 1999 Jul;128(1):100-1. Department of Ophthalmology, Hadassah University Hospital and Hebrew University-Hadassah Medical School, Jerusalem, Israel. eblumenthal@hadassah.org.il ABSTRACT: PURPOSE: To describe the clinical and histopathologic findings in a patient with corticosteroid-induced open-angle glaucoma attributable to an...

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Dorzolamide-Induced Choroidal Detachment In A Surgically Untreated Eye

Goldberg S, Gallily R, Bishara S, Blumenthal EZ. Am J Ophthalmol. 2004 Aug;138(2):285-6. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: PURPOSE: Choroidal detachment is a known complication of topical hypotensive agents when used to treat eyes sensitized by prior surgery. We document the abrupt development of an extensive choroidal...

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A Presumed Reflex By Which Upward Gaze Induces Relaxation Of Accommodation, A Way To Overcome Instrument Myopia

Blumenthal EZ. Med Hypotheses. 1991 Dec;36(4):381-3. ABSTRACT: This hypothesized reflex relates the vertical direction of gaze to the amount of tension exerted by the ciliary muscle. Based on simple observations the following is assumed. When looking downwards a tendency for closer focusing (near searching) exists even without a specific visual stimulus, whereas looking up favors a more...

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Could Cancer Be A Physiological Phenomenon Rather Than A Pathological Misfortune?

Blumenthal EZ. Med Hypotheses. 1992 Sep;39(1):41-8. Comment in: Med Hypotheses. 1995 Apr;44(4):306. Hadassah Medical Center, Hebrew University, Jerusalem, Israel. ABSTRACT: The hypothesis presented here is that cancer is not a phenomenon where the normal functions of the human body break down (like diabetes mellitus or renal failure) but rather a well planned and well coordinated...

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On The Origin Of Cancer

Blumenthal EZ. Med Hypotheses. 1996 Jun;46(6):581-3. Comment in: Med Hypotheses. 1997 Nov;49(5):447-8. Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: In this paper, I present a highly unorthodox and provocative hypothesis, namely that cancer is an evolutionarily derived phenomenon, dormant in every human cell and actively triggered in certain individuals. Cancer is shown to help...

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The Medical Treatment of Glaucoma

Sapir-Pichhadze R, Blumenthal E. Harefuah. 2003 Jan;142(1):66-9, 76. Department of Opthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: Chronic open angle glaucoma is a one of the leading causes of irreversible blindness. Elevated intraocular pressure is a major risk factor for the progression of this disease. At present, most patients suffering from open angle glaucoma have...

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A Gliacentric View Of The Human Retina

Sisak I, Blumenthal EZ. Oftalmologia. 1996 Jan-Mar;40(1):26-8. Department of Ophthalmology, Brasov County Hospital, Romania. ABSTRACT: The structure of retina was historically described using light microscopy histological sections. This description placed prime importance on neural elements and their interconnections is establishing retinal structure. Of the 10 retinal layers, 7 are neural...

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The Relative Distribution Of Retinal And Choroidal Blood In The Human Retina

Sisak I, Blumenthal EZ. Oftalmologia. 1996 Jan-Mar;40(1):45-7. Department of Ophthalmology, Brasov County Hospital, Romania. ABSTRACT: In this paper a model is presented to explain the relative distribution of retinal and choroidal blood to the human retina. According to this model the retina between the inner limiting membrane and the outer limiting membrane is metabolically controlled and ...

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Assessment Of The Retinal Nerve Fiber Layer In Clinical Trials Of Glaucoma Neuroprotection

Blumenthal EZ, Weinreb RN. Surv Ophthalmol. 2001 May;45 Suppl 3:S305-12; discussion S332-4. Glaucoma Center, University of California-San Diego, La Jolla, CA 92093-0946, USA. ABSTRACT: Assessment of the retinal nerve fiber layer (RNFL) is appealing for use in clinical trials of glaucoma neuroprotection, as it is directly correlated with loss of ganglion cells, which is assumed to be a primary ...

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Steroid Induced Glaucoma (Article In Hebrew)

Sapir-Pichhadze R, Blumenthal EZ. Harefuah. 2003 Feb;142(2):137-40, 157. Department of Opthalmology, Hadassah University Hospital, Jerusalem, Israel. ABSTRACT: Steroid treatment has gained notoriety due to its tendency to induce multiple side effects, including a variety of ocular side effects. Administration of local, regional, inhalation or systemic steroids may induce the development of...

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Bridging Analog And Digital Video In The Surgical Setting

Miron H, Blumenthal EZ J Cataract Refract Surg. 2003 Oct;29(10):1874-7. Comment in: J Cataract Refract Surg. 2004 Oct;30(10):2032-3. Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. ABSTRACT: Editing surgical videos requires a basic understanding of key technical issues, especially when transforming from analog to digital media. These issues include an...

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A Two-Compartment Model Of The Human Retina

Sisak S, Banin E, Blumenthal EZ. Med Hypotheses. 2004;62(5):808-16. Department of Ophthalmology, Brasov County Hospital, Brasov, Romania. ABSTRACT: PURPOSE: In this article we question a basic concept in retinal pathology, which views the retina as composed primarily of neural elements, in a single compartment. METHODS: We suggest an alternative approach, centering on the epithelial-glial...

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Photo Quiz: Abnormal Ocular Findings

Am Fam Physician. 2003 Sep 1;68(5):933-934.   A 78-year-old woman with type 2 diabetes of 15 years' duration presented for a regular checkup. Abnormal ocular fundus findings were seen bilaterally, as shown in Figure 1. She complained of mild blurred vision (visual acuity was 20/40 in both eyes), and she mentioned that she had previously been diagnosed with “early cataracts.” She...

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Photo Quiz: Painful Red Eye After Surgery

<span>Photo Quiz: Painful Red Eye After Surgery</span>

Am Fam Physician. 2004  1;70(1):155-156. A patient presented to the emergency department with blurred vision, eye pain, and redness after corneal graft transplantation (Figure 1, note the radial black sutures). On physical examination, the patient had a painful red eye and decreased visual acuity. Slit-lamp examination (Figure 1, thick arrows show vertical line of slit-lamp...

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