explain the parts of the eyes support your answer with a diagram
Answers
Explanation:
please mark it as brain liest answer
HEY MATE..♥️ HERE IS THE STRUCTURE OF
HUMAN EYE
.
.
THE IRIS AND PUPIL
The iris is the colored part of the eye. It is important because it controls the size of the pupil. The pupil is the dark circle inside the center of the eye. The dark hole is altered in shape by the iris, affecting the amount of light that is let into the eye. The pupil is large when light is low or it is dark outside and tiny when it is very sunny or bright.
.
.
THE CORNEA
The cornea is the clear covering over the pupil and iris. This is the reason that contacts are dome shaped because they sit on the cornea. The cornea provides 66% of the optic power that the overall eye has. This means that the cornea is very important in focusing what we see by bending light.
.
.
THE SCLERA
The sclera is the white part of the eye that we see in the mirror that becomes pink or red when we are tired or have sneezed so hard that our eyes become bloodshot. This eye part is the protective, outer layer of the eye.
.
.
THE LENS
These parts have important independent functions. The lens of the eye works in conjunction with the cornea. This part is also important for light refraction and focusing of images onto the retina. The lens can change shape to fine tune focus, change focal distance, and image.
.
.
THE OPTIC NERVE
The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves. The job of the optic nerve is to transfer visual information from the retina to the vision centers of the brain via electrical impulses.
.
.
•
