There's two locations inside the retina, called the deep and shallow fovea, which might be specialised for acute vision.[42] These regions contain the highest density of photoreceptors, and supply the very best factors of visual acuity. The deep fovea details ahead at an approximate 45° angle, though the shallow fovea https://mysocialquiz.com/story5901501/the-ultimate-guide-to-modern-pet-shopping-uae