A person is unable to distinctly see objects placed beyond 6m. Name the defect of vision he is suffering from. List two possible causes of this defect and write the nature of lens generally prescribed by the doctors for its correction.
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she can not view object beyond 6m that means she is suffering from myopia(near sightedness) in which image of an object focus just before the retina
two possible causes:
1.elongation of eye ball.
2.weaking of eye lens
she should wear a convex lens therefore the nature will be virtual and erect..
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Answer:
she can not view object beyond 6m that means she is suffering from myopia(near sightedness) in which image of an object focus just before the retina
two possible causes:
1.elongation of eye ball.
2.weaking of eye lens
she should wear a convex lens therefore the nature will be virtual and erect..
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