The point where the option nerve leaves the eye and the retinal blood vessels enter is referred to as
A
Fovea of the eye
B
Macula lutea
C
Blind spot
D
Macula densa
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Read the following statement having two blanks (A and B).The optic nerves the eye and the retinal blood vessels enter it at a point _(A)_ to and slightly _(B)_the posterior pole of the eye ball. The one correct option for the two blanks is :
The point where the optic nerve enters the retina of the eyeball is called
The A leaves the eye and the retinal blood vessels enter it at a point medial to and slightly above the posterior pole of the eyeball. B is not present in that region and hence it is called the C . At the posterior pole of the eye lateral to the C there is a yellowish pigmented spot called D with a central pit called the E
Assertion :- No image formation occurs at retina where the optic nerves leave the eye . Reason:- photoreceptor cells are not present in this region.
Assertion: The optic nerve leaves the ee at the point called blind spot Reason: Only cones are densely packed at the blind spot, hence is the name.
