What is squint (strabismus)?
Squint is a misalignment of the two eyes so that they do not look in the same direction. This misalignment may be constant, being present throughout the day or it may appear sometimes, and the rest of the time the eyes may be straight (intermittent squint).

What causes squint?
The exact cause of squint is not known. Six muscles control the movement of each eye (see picture).

Each of these muscles act along with its counterpart in the other eye to keep both the eyes aligned properly. A loss of coordination between the muscles of the two eyes leads to misalignment. Sometimes a refractive error or an eye muscle paralysis may lead to deviation of the eye. Poor vision in an eye because of some other eye disease like cataract, etc. may also cause the eye to deviate. Therefore it is important in all the cases of squint, especially in children, to have a thorough eye check-up to rule out any other cause of loss of vision.

Squint: Introduction | Signs & Symptoms | Non-Surgical Treatment | Surgical Treatment
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