When a child is looking at something, if one eye is weak, the brain of the child automatically uses the healthy eye. With time passing, the brain minimizes or stops the use of unhealthy eye. Thus the affected eye weakens…

Tear Duct called Naso-Lacrimal duct is a channel that drains tears from the eye surface to the nose. The obstruction of this duct causes the tear not to drain in the normal way but stay in the eye or come…