Area of the retina where there are no photoreceptor cells is called ______.
At the junction of the optic nerve and the retina, there are no sensory cells, so no vision is possible at that spot. This area is called the ___ spot.
The photoreceptor cells of the retina sensitive to colour are:
Eye lens focuses light on the retina containing rod cells which are photoreceptors. The number of rod cells in the eyes is
The layer of the eye where photoreceptors are present is called ________.