1. It is said to exist when light rays do not get focused on retina, causing blur vision.

2. Failure to correct refractive error may lead to permanent decrease in vision and also hampers the academic activities of the child.

3. Children found with symptoms like watching gadgets close to face, frequent rubbing of eyes, watering etc.. should be brought to an Ophtalmologist immediately for necessary treatment.


We have to correct the refractive error as early as the diagnosis.
No neither help in preventing nor correcting the refractive error.
No, it may vary depending on the growth of the eyeball shape and size.
No, it can be performed only after 20 yrs of age once the refractive error remains stable for at least one year.
1. Eyeball shape and size. 2. Steep or flatter cornea.