explain the function of eye
Answers
The sclera, or white part of the eye, protects the eyeball. The pupil, or black dot at the centre of the eye, is a hole through which light can enter the eye. The iris, or coloured part of the eye, surrounds the pupil. It controls how much light enters the eye by changing the size of the pupil..
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The Eyes !!
➨The eyes are our most important sense organ. Our eyes are special in shape and fitted into the bone socket in the skull.
➨They are further protected by the eyelids and the eyelashes. These help to keep dust and dirt put of our eyes.
Parts Of Eye :---
!! Cornea !!
➨It is a thin, transparent layer that covers the front of the eye.
!! Iris !!
➨The round coloured part in the eye is called Iris.
!! Pupil !!
➨It is like a black spot. Opening of Pupil at the centre of iris through which in eyes light enters. The iris makes the pupil larger or smaller to let in the right amount of light.
!! Lens !!
➨The Lens forms images of a particular objects by focusing on retina. The Lens are located just behind the iris and the pupil.
!! Retina !!
➨Retina is a screen of eyeball on which image of an object is formed. It is made up of light-sensitive Cells.
In extra !!
!! Optic Nerve !!
➨It is a sensorsy nerve that Connects the eye to the brain. The retina sends message to the optic nerve, which carries the message to the brain.