Lazy eye also known as amblyopia is a vision disorder characterized by abnormal visual focus which affects normal development of eye so that normal eyes turned into crossed eyes. It usually affects more children than adults. It only affects one eye but the negative effects can be seen on the other eye too. Sometimes it shows no sign and symptoms so careful eye examination is needed.
When eyes are not equally developed, are crossed or if one eye has a refractive error that has not been corrected then youngsters will prefer using his good or normal eye. Due to over load on the other eye, the eye become feeble and lazy thus rapidly surrender to see clearly. To prevent loss of vision therapy must begin in childhood. The disorder can be corrected by glasses, patches, contact lenses or surgery. Sometimes an eye ointment or drops may be prescribed by the physician and impart beneficial effects. After or before surgery the patient is also directed to exercise.
Causes Of Lazy Eye:
- Imbalance of muscles which are responsible for eye positioning. It hinders the coordination between both eyes.
- May be caused due to problem in one of the two eyes such as cataracts which results in abnormal vision.
- Due to presence of any eye disorder such as nearsightedness, farsightedness or astigmatism (eye disorder).
- Family history with eye disorders.
- Premature birth.
- Child born with low birth weight.