Figure 2.
(a) Color fundus photo with 3- and 5-mm circles. (b) Manual drusen outlines performed by the reading center (drusen area 3.46 mm2 (3 mm), 5.65 mm2 (5 mm)). Adapted from: Yehoshua Z, Gregori G, Sadda SR, Penha FM, Goldhardt R, Nittala MG, Konduru RK, Feuer WJ, Gupta P, Li Y, Rosenfeld PJ. Comparison of drusen area detected by spectral domain optical coherence tomography and color fundus imaging. Invest Ophthalmol Vis Sci 2013;54:2429–34.50 (A color version of this figure is available in the online journal.)