Evaluation of therapeutic effect on macular edema secondary to retinal vein occlusion using a retinal thickness analyzer Kiyoshi Suzuma 1 , Mihori Kita 1 , Hideyasu Oh 1 , Takayuki Yamana 1 , Shiro Ozaki 1 , Hitoshi Takagi 1 , Junichi Kiryu 1 , Yuichiro Ogura 1 1Dept of Ophthalmol and Visual Sci, Kyoto Univ Grad Sch of Med pp.281-284
Published Date 1998/3/15
DOI https://doi.org/10.11477/mf.1410905743
  • Abstract
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We evaluated the therapeutic effect on macular edema in 30 eyes of retinal vein occlusion by measuring the thickness of the fovea using a retinal thickness analyzer, RTA. The series comprised 3 groups of 10 eyes each treated by systemic acetazolamide, grid photocoagulation and hyperbaric oxygen respectively. After treatment, the visual acuity improved in 50% of the cases in each group. The foveal thickness decreased by 68±19μm in acetazolamide group, by 55±14μm in photocoagulation group and increased by 7.7±6.3μm in the hyperbaric group. The observed changes were significant in the former two groups (p<0.01) and was not significant in the third group. The findings show that different mechanisms are involved in improvement of visual acuity following systemic acetazolamide and photocoagulation on the one hand and hyperbaric oxygen treatment on the other.

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