The visual acuity is the greatest at

The sensitive layer of the eye is:

The second cranial nerve in humans originates from:

If a bright light falls over the eyes,why is a person unable to see for a moment?

The binocular vision in mammals is due to the

Parts $A, B, C$ and $D$ of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions/characteristics.