There are 2 regions in the retina, known as the deep and shallow fovea, that are specialized for acute eyesight.[forty two] These regions include the highest density of photoreceptors, and supply the highest points of visual acuity. The deep fovea factors ahead at an approximate forty five° angle, when the https://bookmarkjourney.com/story20373892/not-known-details-about-petsky-unique-value