A person is advised to wear spectacles with concave lenses. What type of defect of vision is he suffering from?
A person is advised to wear spectacles with concave lenses. What type of defect of vision is he suffering from?
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Concave lens also called as diverging lens is used in the type of defects in which the eye is unable to see nearby objects because of the image formation in front of the retina rather than on the retina, hence the defect is Myopia or near sightedness.
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