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A Comparison Among Humphrey Field Analyzer, Microperimetry, and Heidelberg Retina Tomograph in the Evaluation of Macula in Primary Open Angle Glaucoma

PurposeIt is known that macula can be affected adversely in glaucoma. In this study, we aimed to evaluate the functional and morphologic changes of macula in patients having glaucoma using Microperimeter-1 (MP-1), Humphrey field analyzer (HFA), and Heidelberg Retina Tomograph II (HRT-II). Materials and MethodsThis prospective study consisted of 43 patients having primary open angle glaucoma. Control group consisted of 26 normal cases. Macular threshold was evaluated with HFA macula threshold test and MP-1 Humphrey macula pattern. Morphometric evaluation of macula was performed with HRT-II. The results were evaluated by independent samples t test and receiver operator curves. ResultsMacular sensitivity was lower in patients having glaucoma with both HFA and MP-1 in all quadrants (P=0.003 for HFA and P=0.002 for MP-1). The macular thickness measurements obtained with HRT-II was not significant between glaucoma patients and control group (P=0.153). The difference between HFA and MP-1, HFA and HRT-II, MP-1 and HRT-II was not statistically significant (P=0.302, 0.110, and 0.481, respectively). ConclusionsPerimetric macular changes can occur while macular topographic remains stable in patients with glaucoma. MP-1 correlates with HFA in detecting glaucomatous visual field defect in macular area.