Strabismus usually appears in infants and young children, and most often by the time a child is 3 years old. However, older children and even adults can develop strabismus. The sudden appearance of strabismus, especially with double vision, in an older child or adult could indicate a more serious neurologic disorder.

How does strabismus affect a person?

Strabismus or squint is a condition in which the eyes are not aligned properly with each other. Since both eyes must point in the same direction to see properly, it ends up affecting the vision resulting in signs and symptoms, such as: Double vision (seeing double images of any object) Blurry vision.

Do Asians have strabismus?

Strabismus was found in 3.55% (95% confidence interval [CI], 2.68–4.60) of Asian children and 3.24% (95% CI, 2.40–4.26) of non-Hispanic white children, with a higher prevalence with each subsequent older age category from 6 to 72 months in both racial/ethnic groups (P=0.0003 and 0.02, respectively).