In mammalian eye, the 'fovea' is the center of the visual field, where
High density of cones occur, but has no rods
The optic nerve leaves the eye
Only rods are present
More rods than cones are found.
A
The optic nerve leaves the eye
B
Only rods are present
C
More rods than cones are found.
D
High density of cones occur, but has no rods
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Solution
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The fovea is a small, central pit composed of closely packed cones in the eye. It is located in the center of the macula lutea of the retina. It is responsible for sharp central vision such as reading and driving. The central fovea is populated exclusively by cones and it does not have rods, so it is not sensitive to dim lighting.
So, the correct answer is option A.
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