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  4. Which of the following structures has the highest concentration of cone cells?

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Q. Which of the following structures has the highest concentration of cone cells?

NTA AbhyasNTA Abhyas 2022

Solution:

Everyone has a spot in their retina where the optic nerve connects. In this area, there are no light-sensitive cells so this part of your retina can't see. This is the blind spot. At the posterior pole of the eye lateral to the blind spot, there is a yellowish pigmented spot called macula lutea with a central pit called the fovea. The fovea is a thinned-out portion of the retina where only the cones are densely packed. It is the point where the visual acuity (resolution) is the greatest.