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G. D'Amico, M.M. Pagliara, A. Scupola, D. Lepore, F. Molle, F. Focosi, E. Balestrazzi; Morphological and Functional Outcomes of TSV 25G for Macular Pucker . Invest. Ophthalmol. Vis. Sci. 2006;47(13):4642.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate functional and morphological outcomes of Trans conjunctival Sutureless Vitrectomy 25 Gauge (TSV25G) for treatment of macular oedema caused by macular pucker (MP).
10 eyes (10 patients) affected by MP with macular oedema were preoperatively studied by means of Micro Perimeter MP1 and Stratus OCT3. Central macular thickness was studied by OCT 3 (fast macular program). Macular sensitivity was assessed by Nidek MP–1 microperimetry using Goldamann III stimuli and 4–2 staircase strategy. All patients underwent TSV25G associated with intravitreal triamcinolone injection. In 5 eyes (Group A, medium macular thickness 409±22 micron) epiretinal membrane was completely removed. Five eyes (Group B, medium macular thickness 403±19 micron) additional internal limiting membrane (ILM) peeling was performed. Patients were followed–up every 2 weeks for a period of 6 months using EDTRS visual acuity measurement combined with MP1 microperimetry and OCT 3. Data were compared with pre–op measurements.
In Group A, at 6 months postoperatively average macular thickness was 200±20 micron with one line improvement visual acuity. At the same time group B showed average macular thickness of 188micron with a one line visual acuity improvement. Data from microperimetry correlates with decrease in retinal thickness only in a long term follow up, according to the severity and chronicity of macular oedema.
OCT and MP1 provide a reproducible and exact documentation in the follow up of to evaluate TSV25G outcome. Data from these techniques will be helpful also in the choice of surgical strategy in the event of MP relapse.
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