MEDICAL PHYSIOLOGY

PHYSIOLOGY

CENTRAL NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What part of the eye bends light to focus on the retina?
A
Retina
B
Iris
C
Optic Nerve
D
Lens
Explanation: 

Detailed explanation-1: -First, light passes through the cornea (the clear front layer of the eye). The cornea is shaped like a dome and bends light to help the eye focus.

Detailed explanation-2: -Refraction is the process of bending of light that occurs when it passes through the cornea and the lens.

Detailed explanation-3: -Together, the cornea and lens work to bend light rays together to form a focal point on the retina. The retina is an electrically sensitive membrane which picks up the light rays, and through as series of complex mechanisms, organizes and packages these impulses.

There is 1 question to complete.