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The precision was 1.4-degrees for O-DFA and 3.0-degrees for P-DFA. Repeatability and reproducibility were excellent in both techniques. In the group of patients with poor foveal definition, the precision of P-DFA changed from 3.0-degrees to 4.8-degrees, whereas the O-DFA remained stable. OCT had a good agreement with the fundus photography method. O-DFA showed better precision than P-DFA. O-DFA repeatability and reproducibility were excellent and unconditioned by foveal status. OCT had a good agreement with the fundus photography method