Visual outcome following grid laser photocoagulation for diabetic macular edema Hideto Katsuta 1 , Hitoshi Takagi 1 , Keiichi Ohashi 1 , Junko Yamamoto 1 , Tomoko Tanaka 1 , Junichi Kiryu 1 , Yuichiro Ogura 2 1Dept of Ophthalmol and Visual Sciences, Graduate Sch of Med, Kyoto Univ 2Dept of Ophthalmol, Sch of Med, Nagoya City Univ pp.811-815
Published Date 1998/5/15
DOI https://doi.org/10.11477/mf.1410905863
  • Abstract
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We reviewed 51 eyes treated by grid laser photocoagulation for diffuse diabetic macular edema. They were followed up for 12 months or longer, average 37.4±28.3 months (mean±SD) . The macular edema resolved in 86% of eyes and the visual acuity stabilized in 61%. The visual acuity improved temporarily in 37% of eyes and in 16% at the final examination. The visual acuity thus tended to become worse during longer follow-up. Deterioration of visual acuity was statistically significant in eyes with remarkable hard exudates in the macula when compared with those without. There was no significant differences in visual outcome between eyes with cystoid macular edema and without. Severe visual loss was due to enlargement of laser scars and atrophy of the pigment epithelium among others.

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