Healthy Rods, Healthy Macula

AMD Clinical Insights: Optometric Management July 2016  The macula is a relatively large area, 6 mm in diameter, or 21.5° of visual angle, centered on the fovea.1 The small, cone-dominated fovea is only 0.8 mm in diameter (2.75°). The central 300 µm of the fovea, or foveola, is totally rod-free. So why do rods matter inRead more