MACULAR SECTOR THICKNESS IN OPEN ANGLE GLAUCOMA
Abstract:
Objective: To evaluate the macular thickness by sectors in primary open angle glaucoma, using Time Domain optical coherence tomography (TD-OCT). Method: A total of 275 eyes from 138 patients were enrolled. The study was conducted from March 2010 to December 2012. The eyes were divided into: the group of normal eyes which comprised 72 eyes (GN), one group of glaucoma suspects and eyes with preperimetric open angle glaucoma (GSPP), which comprised 78 eyes and another group of patients with perimetric open angle glaucoma, comprising 125 eyes. For all the macular sectors, the measurement of macular thickness was done by using optical coherence tomography, and the correlation with glaucoma was calculated by using the mean defect (MD), measured by computerized perimetry. All the patients gave their consent, in accordance with the Helsinki Declaration. The results of the study have shown that the most affected macular sector in primary open angle glaucoma is the inferior one. This study concluded that the macular thickness decreases in glaucoma, and the most significant decrease occurs in the inferior sector. Macular thickness in the central area remained within normal values in glaucoma.
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