Squints, also known as strabismus, are caused by the muscles controlling the eye not working together properly causing the eyes to point in slightly different directions. Squints can be constant or intermittent, often only occurring when tired.
Squints vary in severity and are usually spotted in early childhood, affecting around 6% of children.
In a young children squints sometimes lead to the development of a ‘lazy eye’. This occurs because the brain ignores the signals from the eye with the squint to avoid double vision. Because the squinting eye is not being used properly, it will eventually stop working to some degree becoming ‘lazy’.
Squints that were corrected as a child sometimes reappear in later life. It's quite rare for adults to develop a squint but when they do occur they often result in double vision. If a squint develops in an adult it is important to find the cause. Your optician can investigate this and refer for treatment where necessary.
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26/06/2015 - 10.00am