In which part of the eye are the receptors for vision located?

The receptors for vision are located in the retina, which is the innermost layer of the eye. It contains specialized photoreceptor cells known as rods and cones. Rods are primarily responsible for vision in low light conditions and for peripheral vision, while cones are responsible for color vision and sharp visual acuity in brighter light. The retina converts light that enters the eye into neural signals, which are then transmitted to the brain through the optic nerve, enabling visual perception.

The other parts mentioned—cornea, pupil, and iris—serve different functions in the eye. The cornea is the transparent front layer that helps focus light onto the retina, the pupil is the opening in the center of the iris that regulates the amount of light entering the eye, and the iris is the colored part of the eye that controls the size of the pupil. These structures are important for the overall functioning of the eye, but they do not contain the photoreceptors responsible for vision.