Evaluation of Patients With Visual Field Defects Following ~ Macular Hole Surgery Using Multifocal Electroretinography

Oh, Kean T.; Boldt, H. Culver; Maturi, Raj K.; Folk, James C.; Kardon, R.

doi:10.1097/00006982-200003000-00003

Cited by 60 publications

(71 citation statements)

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“…Our results do not support Gandorfer et al [3] that ILM removal led to an earlier and greater decrease of retinal thickness or to an earlier and better visual acuity. However, we agree with them that the tangential traction by a single layer of fibrous astrocytes on the vitreal surface of the ILM can cause macular edema.…”

Section: Discussioncontrasting

confidence: 99%

“…Gandorfer et al [3] have supplemented the pars plana vitrectomy with internal limiting membrane (ILM) peeling, and reported an earlier and more significant reduction of macular edema in diabetic patients, and an improvement of visual acuity. They attributed the better results to the removal of all elements that could exert traction on the retina by the ILM removal.…”

Section: Introductionmentioning

confidence: 99%

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Vitrectomy for Diabetic Macular Edema with and without Internal Limiting Membrane Removal

et al. 2005

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Purpose: To compare the efficacy of surgically removing or not removing the internal limiting membrane (ILM) during pars plana vitrectomy on the visual acuity and retinal thickness in eyes with diabetic macular edema. Methods: A prospective, case-control study was carried out on 30 eyes of 29 patients undergoing pars plana vitrectomy for diabetic macular edema. Fifteen eyes underwent pars plana vitrectomy with ILM removal and 15 eyes without ILM removal. Results: In 7 of 15 eyes (47%) in the ILM-removed group, the visual acuity improved by 0.2 or more log of the minimum angle of resolution (log MAR) units and remained unchanged in 8 eyes (53%). In the ILM-preserved group, the final visual acuity improved in 9 of 15 eyes (60%) and remained unchanged in 6 eyes (40%). The difference in visual acuity between the two groups after 11 months the surgery was not significant (Fisher’s exact test, p = 0.4938). In the ILM-removed group, the final retinal thickness decreased by more than 20% of the preoperative retinal thickness in 12 of 15 eyes (80%), remained unchanged in 2 of 15 eyes (13%), and increased in 1 of 15 eyes (7%). In the ILM-preserved group, the final retinal thickness decreased in 13 of 15 eyes (87%) and remained unchanged in 2 of 15 eyes (23%). The differences in the changes in the retinal thickness between the two groups were not statistically significant (Fisher’s exact test, p = 0.5945). Conclusion: Vitrectomy in eyes with diabetic macular edema without ILM removal was as effective in reducing the retinal thickness and improving the visual acuity as eyes with ILM removal. We conclude that ILM need not be removed to treat eyes with diabetic macular edema.

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Section: Discussioncontrasting

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Vitrectomy for Diabetic Macular Edema with and without Internal Limiting Membrane Removal

et al. 2005

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“…7,106,201,216,251,283,295 Patients with macular hole were found to have marked reductions in mfERG response densities in both the foveal and perifoveal regions. 283,295 After successful macular hole surgery, improvement in foveal and perifoveal mfERG response densities could be observed.…”

Section: Central Serous Chorioretinopathymentioning

confidence: 99%

“…106,216 Oh et al found that none of the patients with visual field defects after macular hole surgery had specific abnormalities on mfERG and the findings suggested arteriolar occlusion is not a likely cause for the visual field defects. 216 Horio et al also used mfERG to evaluate the functional outcome in patients who underwent internal limiting membrane (ILM) peeling in macular hole surgery with or without indocyanine green (ICG) dye staining. 106 It was shown that there were no significant differences in P1 implicit time and amplitude ratios between the two groups.…”

Section: Central Serous Chorioretinopathymentioning

confidence: 99%

“…7,10,106,200,201,216,283 mfERG has also been used to evaluate the potential retinal damage associated with macular hole and ERM surgery. 10,106,216,311 Retinal Detachment mfERG has been used to investigate the changes in retinal function before and after retinal detachment surgery. 202,262,316 mfERG has the advantage compared with full-field ERG because it allows separate assessment of retinal function between the attached and detached retina.…”

Section: Retinal Surgery Macular Hole and Epiretinal Membranementioning

confidence: 99%

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The Clinical Applications of Multifocal Electroretinography: A Systematic Review

Lai

Chan

Lai

et al. 2007

Survey of Ophthalmology

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Abstract. Multifocal electroretinography (mfERG) is an investigation that can simultaneously measure multiple electroretinographic responses at different retinal locations by cross-correlation techniques. mfERG therefore allows topographic mapping of retinal function in the central 40--50 of the retina. The strength of mfERG lies in its ability to provide objective assessment of the central retinal function at different retinal areas within a short duration of time. Since the introduction of mfERG in 1992, mfERG has been applied in a large variety of clinical settings. This article reviews the clinical applications of mfERG based on the currently available evidence. mfERG has been found to be useful in the assessment of localized retinal dysfunction caused by various acquired or hereditary retinal disorders. The use of mfERG also enabled clinicians to objectively monitor the treatment outcomes as the changes in visual functions might not be reflected by subjective methods of assessment. By changing the stimulus, recording, and analysis parameters, investigation of specific retinal electrophysiological components can be performed topographically. Further developments and consolidations of these parameters will likely broaden the use of mfERG in the clinical setting.

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Surgery for Idiopathic Full-Thickness Macular Hole

Ezra¹

2004

Arch Ophthalmol

174

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Objectives: To determine the benefits of idiopathic fullthickness macular hole (FTMH) surgery compared with observation and to evaluate the use of autologous serum as an intraoperative adjunct.Methods: A randomized clinical trial was performed to evaluate the anatomic and visual benefits of FTMH surgery for lesions of 9 months or less symptom duration and visual acuity of 20/60 or less. We compared surgery with natural history and determined whether use of intraoperative adjunctive autologous serum improves the surgical outcome. Eyes were randomized to (1) observation, (2) vitrectomy, or (3) vitrectomy plus serum and were followed for 24 months to assess anatomic status and visual function.Results: In total, 185 eyes of 174 patients were enrolled.

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Evaluation of Patients With Visual Field Defects Following ~ Macular Hole Surgery Using Multifocal Electroretinography

Cited by 60 publications

References 0 publications

Vitrectomy for Diabetic Macular Edema with and without Internal Limiting Membrane Removal

Vitrectomy for Diabetic Macular Edema with and without Internal Limiting Membrane Removal

The Clinical Applications of Multifocal Electroretinography: A Systematic Review

Surgery for Idiopathic Full-Thickness Macular Hole

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