10 Williams Syndrome Symptoms
Article Sources
- 1. Lazier, J., MD. (2020, December 05). Williams Syndrome Clinical Presentation: History, Physical Examination. Retrieved December 16, 2020, from https://emedicine.medscape.com/article/893149-clinical
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5. Strabismus
Strabismus is a visual disorder in which there is a misalignment of one eye in relation to the other. As a result, the eyes fail to simultaneously focus on the same image. Strabismus can be present since birth (congenital); however, it can also appear in adulthood. If the misalignment is present from childhood, it is unlikely that double vision will be a symptom. This occurs because the developing brain in a child will actively suppress one of the images to avoid double vision. Unfortunately, if congenital strabismus is left untreated, amblyopia or permanent visual impairment can occur in the eye where the image is constantly suppressed.
People with Williams syndrome can show specific ocular findings including strabismus and amblyopia. Most commonly, affected children experience a type of strabismus that causes an inward deviation of one or both eyes (infantile esotropia). Moreover, it is not uncommon for esotropia to coexist with another type of strabismus known as dissociated vertical deviation (DVD), a condition where one eye may drift upward when not in use.
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