What is short sightedness? mention the reason for this defect. name the type of lens used to correct this defect. how does this lens correct the eye defect?

What is short sightedness? mention the reason for this defect. name th

1.	What is short sightedness? mention the reason for this defect. name the type of lens used to correct this defect. how does this lens correct the eye defect?
Answer» Myopia or Nearsightedness occurs when the eye loses its ABILITY to focus on far-off objects as the lenses do not possess a long FOCAL length. Objects that are near are clearly visible to patients of this defect.Reason: it can be INHERITED from the parentsType of lens used to CORRECT:A diverging lens can be used to fix the problem of nearsightedness.earlier the IMAGE was blurry as the light rays were not diverging at the right point and creating a focused image. The rays get focused before it reaches the retina. The convergence of the light rays takes place due to the cornea producing an image on the retina

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What is short sightedness? mention the reason for this defect. name the type of lens used to correct this defect. how does this lens correct the eye defect?

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