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PROCEEDING OF THE III CONGRESS OF THE ITALIAN STUDY GROUP ON LOW VISION (GISI) (Rome, December 7, 1995)
Virgili G., Guariglia C., Lanzetta P., Salati C., Miani F., Gismondi M., Menchini U.
Background. To evaluate the reading impairment and the use of low-vision aids in patients affected by choroidal neovascularization (CNV).
Methods. Twenty-four patients with reading difficulty caused by CNV (20 AMD, 4 myopic macular degeneration) were evaluated by complete ophthalmic examination, fluorescein angiography, measure of residual reading ability, low-vision aid testing and measure of the reading speed with the aid. The visual field loss was evaluated by the program Central 10-2 and/or Macula (Humphrey).
Results. These patients might be divided into three groups: 1) Active CNV: good results, influenced by the outcome of CNV (9 cases); 2) Cicatricial CNV: results related to foveal involvement (5 patients); 3) CNV treated with perifoveolar photocoagulation: necessity of CCVT, unsatisfying results also related to age and limited interest in reading (10 patients).
Conclusions. Even if the number of cases is small, this study points out that reading impairment and functional macular damage caused by choroidal neovascularization are only partly related to visual acuity, while the morphology of the scotomata and the stage of the disease are also important.