Why is it that when a nearsighted blurry vision becomes clear when looking through a very small hole cutout?
In: Biology
When looking through very small hole , we cut light refraction from periphery of human lens. Only Light is passed through center of lens , such light don’t passing through center of lens (also known as Nodal point ) don’t show refraction (deviation ) hence image nia formed in retina (to be precise macula , to be more precise fovea ) .
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