Question

Distinguish between: blind spot and yellow spot.

Answer 1

The spot at the back of the eye, from where optic nerve fibres leave is free from rods and cones. This spot is devoid of the ability for vision and is called blind spot. Yellow spot or area centralis or Macula lutea is in the exact centre of the retina

Answer 2

Blind spot

No images are formed here and it is present at the posterior region of eyeball.

This is known as the blind spot as rods and cones are completely absent.

Yellow spot

Images are formed at the yellow spot and it is present at the slight elevation of retina.

Packed compactly with cones and is yellow in color.