Answer:
Optic Disc
Explanation:
Optic Disc is a portion of the eye, it can be seen as black spot on the eye, it doesn't contain rods. Optic disc is the point of exit for optic nerve.
The optic disc is also known as the optic nerve Head, it is made up of connective and elastic tissue, it is the passage to the nerve fibber bundles and retinal blood vessels it also maintain intra-ocular pressure against a gradient between the intra-ocular and extra-ocular spaces.
