What is Myopia ?
Myopia or Nearsightedness or shortsightedness occurs when the eye loses its ability to focus on far objects as the lenses do not possess a long focal length. Objects that are near are visible to patients with this defect. the eye would not be able to form an image for far away objects.
Causes of Myopia
Hereditary is one of the natural factors for a person to have the defect of myopia. If any of the parents have the defect, then there are chances that the child will inherit the same defect upon reaching adult.
Youngester suffer from myopia which occurs due to
(a) Elongation of the eyeball or bulging of the cornea.
(b) Myopia is a common vision condition in which you can see objects close to you clearly but not those further away.
(c) Myopia occurs when the eye has too much-focusing power, either because the eye is too long or because the cornea is more curved than normal, causing the eye to be too strong.
Symptoms of Myopia
To install Blurry vision.
Difficulty in seeing while driving, particularly during night times.
Headaches due to eyestrain.
Correction:
When a concave lens of suitable power is used, it assists in focusing the image onto the retina.