Iris- It controls the pupil and help the eye to see clearly.

      Pupil- It controls the amount of light that is allowed to enter the eye.

      Lens- It focuses the light

      Retina- It converts the light into electrical signal

 

      Optic Nerve- Transmits electrical impulses to your brain

      Rods- It detects non colored light, and it only registers a grayscale of black and white

      Cones- It allows us to see color under normal lighting conditions

      Bipolar cells- It provides the main pathways from photoreceptors to ganglion

 

      Horizontal Cells- It make adjustments in the signals to bipolar cells.

      Amacrine Cells - It involves with integration of activity in bipolar  

      Photo pigment- the chain of event begins