draw diagram of eye along with function
Answers
plz mark brainiliest
The human eye is one of the most valuable and sensitive sense organs. The human eye is like a camera. It's lens system forms an image on a light- sensitive screen called the retina.Light enters the eye through the thin membrane called the cornea.The eyeball is approximately spherical in shape with a diameter of about 2.3cm.The crystalline lens(eye lens) merely provides the finer adjustment of focal length required to focus objects at different distances on the retina. The iris is a dark muscular diaphragm that controls the pupil.The pupil regulates and controls the amount of light entering the eye. The eye lens forms an inverted image on the retina. The retina is a delicate membrane having a enormous number of light-sensitive cells.The light- sensitive cells gets activated upon illumination and generate electrical signals. These signals are sent to the brain via optic nerves.