Topic
Glaucoma surgery
About: Glaucoma surgery is a research topic. Over the lifetime, 3894 publications have been published within this topic receiving 98628 citations.
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TL;DR: In both analyses low intraocular pressure is associated with reduced progression of visual field defect, supporting evidence from earlier studies of a protective role for low intracular pressure in visual field deterioration.
2,395 citations
974 citations
TL;DR: Tube shunt surgery had a higher success rate compared to trabeculectomy with MMC during 5 years of follow-up in the TVT Study and both procedures were associated with similar IOP reduction and use of supplemental medical therapy at 5 years.
829 citations
TL;DR: If mitomycin is used, the lowest possible concentration should be applied for the shortest time period in an effort to avoid these complications and the authors urge extreme caution in the use of this medication.
639 citations
TL;DR: Current projections of glaucoma prevalence among ethnic Chinese are a substantial underestimate, according to a disproportionate, stratified, clustered, random-sampling procedure used in Singapore.
Abstract: Background Data on prevalence of glaucoma in East Asia are scarce. Objective To determine the prevalence and clinical characteristics of glaucoma in adult Chinese Singaporeans. Methods A group of 2000 Chinese people, aged 40 to 79 years, were selected from the electoral register of Tanjong Pagar district in Singapore using a disproportionate, stratified, clustered, random-sampling procedure. Glaucoma was diagnosed in people with an excavated optic neuropathy and a reproducible visual field defect or on the basis of severe structural disc abnormality alone, if reliable field results could not be obtained. The diagnosis was also made in blind subjects with raised intraocular pressure or previous glaucoma surgery. Results Of 1717 eligible subjects, 1232 were examined, with a response rate of 71.8%. There were 45 cases of glaucoma: 27 were men and 18 were women. The main diagnoses were primary open-angle glaucoma (n = 22 [49%]), primary angle-closure glaucoma (n = 14 [31%]), and secondary glaucoma (n = 7 [16%]). It was not possible to determine the mechanism in 2 (4%). Conclusions The age-standardized prevalence of glaucoma was 3.2% (95% confidence interval, 2.3-4.1) in the population 40 years and older. Glaucoma was the leading cause of blindness. Primary angle-closure glaucoma and secondary glaucoma were the most visually destructive forms of the disease. Our findings suggest current projections of glaucoma prevalence among ethnic Chinese are a substantial underestimate.
632 citations