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What is the function of the retina?

What is the function of the retina?

Grade:12th Pass

2 Answers

Ashwin
41 Points
7 years ago
The retina is a thin layer of tissue that lines the back of the eye on the inside. It is located near the optical nerve. The purpose of the retina is to receive light focused from the lens and acts as a screen and  convert the light into neural or electrical  signals, and send these signals on to the brain. so that the brain can interpret them.
Raheema Javed
156 Points
6 years ago
The vertebrate retina is a light-sensitive layer of tissue, lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina (through the cornea and lens), which serves much the same function as the film in a camera. Light striking the retina initiates a cascade of chemical and electrical events that ultimately trigger nerve impulses. These are sent to various visual centres of the brain through the fibres of the optic nerve.The retina is a layered structure with several layers of neurons interconnected by synapses. The only neurons that are directly sensitive to light are the photoreceptor cells. These are mainly of two types: the rods and cones. Rods function mainly in dim light and provide black-and-white vision, while cones support daytime vision and the perception of colour.

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