Eye Problems: Changes in Your Pupils - Topic Overview
With an injury to the eye, the muscles that control the pupil size and shape can be damaged. These muscles control the ability of the pupil to change in size and keep its round shape.
An injury that punctures the eyeball may tear the colored part (iris) of the eye, causing it to lose its round shape.
Juvenile Macular Degeneration: Stargardt's and Best Disease
Juvenile macular degeneration is the term for several inherited eye diseases that affect children and young adults, including Stargardt's disease, Best disease, and juvenile retinoschisis. These rare diseases cause central vision loss that may begin in childhood or young adulthood. Unfortunately, there is no treatment available for these diseases, which are caused by gene mutations passed down in families. Visual aids, adaptive training, and other types of assistance can help young people with vision...
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An injury to the eye may also cause the pupils to react differently to light or to be different sizes.
Call your doctor for an evaluation if you have a change in the size or shape of your pupil after an injury to your eye.
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