| Correlation Between Multifocal Electroretinography and Visual Acuity After Resolution of Diabetic Macular Edema. |
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Kwan Hoon Lee, Moo Hwan Chang, Jung Hyun Ahn |
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Department of Ophthalmology, Dankook University College of Medicine, Cheonan, Korea. changmh@dankook.ac.kr |
| 당뇨황반부종에서 다국소 망막전위도검사와 치료 후 시력과의 상관관계 |
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이관훈ㆍ장무환ㆍ안정현 |
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Department of Ophthalmology, Dankook University College of Medicine, Cheonan, Korea |
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| Abstract |
PURPOSE
To evaluate the prognostic value of multifocal electroretinography (mfERG) after a decrease of retinal thickness in eyes with diabetic macular edema (DME). METHODS: Sixty patients (60 eyes) underwent intravitreal injection of triamcinolone acetonide or bevacizumab for diabetic macular edema. Eyes were divided into three groups, according to foveal thickness : Group A (<500 micrometer, n=20 eyes), Group B (500 micrometer <== <800 micrometer, n=20 eyes), and Group C (>==800 micrometer, n=20 eyes). Best-corrected visual acuity (BCVA) and mfERG responses from the most central seven hexagons were analyzed both before and after treatment. RESULTS: The pre-injection P1 amplitudes of mfERG correlated significantly with end-point BCVA in Groups A and B (p<0.05), but did not correlate with end-point BCVA (p>0.05) in Group C. CONCLUSIONS: The level of P1 amplitudes of mfERG may be a useful tool to predict visual outcomes after a decrease of retinal thickness in patients with diabetic macular edema. |
| Key Words:
Diabetic macular edema;Multifocal electroretinography;Visual acuity |
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