This condition is described as VMT (syndrome). In contrast, if residual, focal, vitreomacular tractional (VMT) forces lead to a distortion of retinal tissue, visual symptoms may occur. Incomplete separation at the macula is described as vitreomacular adhesion (VMA), which is not, in itself, pathological and is, by definition, not associated with morphological alterations of the retina or functional loss. Keywords: epidemiology, vitreous body, vitreous pathology, vitreous adhesion, vitreous detachment, pars plana vitrectomyĪs part of normal aging, the vitreous body liquefies and usually starts to separate from the posterior retina, described as posterior vitreous detachment. Analyzing the national hospital statistics, ~2,300 patients undergo vitrectomy due to sVMA in Germany each year, of which about 1,700 patients have VMT.Ĭonclusion: Incidence figures, driven by patients presenting to clinic, are much lower than expected based on population-based studies, suggesting that many patients with sVMA exist outside of the clinic system. For Germany, this translates to 1,119,300 cases, with 5,700 new cases reported annually. Results: The prevalence of sVMA is 1,365 per 100,000 population, with an incidence of 6.96 per 100,000 per year. This was combined with the reported number of vitrectomies in Germany in 2016 to estimate the number of patients undergoing vitrectomy for sVMA. A second systematic review aimed to estimate the proportion of vitrectomy undertaken for sVMA in Germany. Materials and methods: A systematic literature review was conducted to identify the incidence and prevalence of sVMA based on international epidemiologic studies, weighted for study size and then averaged across eligible studies. We aimed to estimate the incidence and prevalence of sVMA in Germany. Purpose: Symptomatic vitreomacular adhesion (sVMA) comprises vitreomacular traction (VMT) and stage 1 and 2 full-thickness macular holes (MHs) associated with vitreomacular adhesion (VMA). Jacob Menzler, 1 Aljoscha Steffen Neubauer, 1,2 Christos Haritoglou, 3 Timothy L Jackson 4ġInstitute for Health- and Pharmacoeconomics/Neubauer Consult, Munich, Germany 2Private practice, Munich, Germany 3Herzog Carl Theodor Eye Hospital, Munich, Germany 4Department of Ophthalmology, Faculty of Life Course Sciences and Medicine, King’s College London, London, UK
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