Eye and the colour full world

 2T diagram Idiot 3-Htt g # Number!

HUMAN EYE : It is a paired light sensing organ ,

which helps

us to see object around

us.

It has lens in its structure. [

PARTS OF HUMAN EYE

# CORNEA : It is a thin ,transparent spherical membrane covering the

front of eye .

Light first enters our eye through this

membrane only .

# IRIS : Dark muscular diaphragm between cornea and lens which

controls the size of pupil .

It is the colour of Lois that we call as the colour of eye .

# CRYSTALLINE: Also called Eye lens, Itis a soft and flexible material like

LENS a jelly made of proteins.

Basically , it is a convene lens .

# PUPIL : A small hole between the iris through which light enters the

eye . It regulates the amount of light entering the eye :

In dim light, it opens up completely due to expansion of Iris !7n"fdYijht light,

it becomes very small due to contraction of Iris

muscles .

# CILIARY :

joey hold the lens in position and help in modifying the

MUSCLES Nature of the lens.

# RETINA : It is a delicate membrane which consists of numerous light-sensitive cells.

↳ These light sensitive cells get activated upon illumination and

generate electric signal .

↳ Retina has 2 type of light sensitive cell too Rcoodnsg These cells respond to intensity of light '

These cells respond to primary colours.

#

0,31¥ : It transits visual information from retina to brain.

#

typo,

ND : The point at which the optic nerve leaves the eye.