State the main function of yellow spot.

In the center of the retina, there is a yellow spot. It has the largest number of light-sensitive cells.

Function:

1. It is responsible for central, high-resolution, and color vision is practicable for good light.
2. However, if it is injured, the vision is hampered.
3. The yellow region on the retina is the most sensitive, and it is only here that the sharpest image of the item forms.