Coloboma is a rare congenital eye condition that affects about 1 in 10,000 children. It occurs when parts of the eye don’t develop fully during pregnancy, leaving a gap or defect, usually in the iris, retina, or optic nerve (National Eye Institute). The most visible sign is a keyhole-shaped iris, but the impact on vision can vary widely depending on the size and location of the coloboma.
How Does It Affect Vision?
For some, coloboma may cause little to no visual issues, while others may experience blurred vision, blind spots, or difficulty with depth perception. Children with retinal or optic nerve coloboma tend to have more severe impairments (American Association for Pediatric Ophthalmology and Strabismus). Regular eye exams are crucial to track changes in vision.
Supporting Children with Coloboma
Parents and educators can assist by creating visually-friendly environments, such as reducing glare and providing large-print materials. Low vision aids, like magnifiers or digital tools, can also help children in both home and school settings (Children’s Eye Foundation).
Is There a Cure?
Although there is no cure for coloboma, vision aids and, in rare cases, surgery can help manage symptoms. Early intervention and specialized support are key to helping children with coloboma thrive.
Sources:
American Association for Pediatric Ophthalmology and Strabismus
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