speech for eye in english
Answers
Explanation:
The human eye works like a camera. The eye consists of three layers. These three layers are called as Sclera (or Sclerotic coat), Choroid layer (or choroid coat) and Retina.
Sclera is the outer covering of the eye which is opaque and consists of a white coating. In front of the eye, it becomes transparent and is called cornea.
Light enters the eye through the cornea. From cornea it comes to the iris. The colour of the iris is the colour of a person’s eyes. Iris controls the size of the opening known as pupil. Pupil controls the amount of light entering the eye. Lens is situated immediately behind the iris and consists of a series of transparent onion-like layers. Its shape can be altered by the contradiction of the ciliary muscles.
The lens becomes thinner when the object we are trying to see is far away and thicker when it is near. Between the cornea and the lens, lies a jelly-filled liquid called the aqueous humor. Between the lens and the retina is a liquid-filled substance called vitreous humor.