noun
- a congenital defect in which part of the eye structure is missing, typically appearing as a gap or hole in the iris, retina, or other eye tissue
Usage: medical
Examples
- The child was born with a coloboma that affected her vision.
- An iris coloboma can give the pupil a keyhole appearance.
- The ophthalmologist diagnosed a retinal coloboma during the examination.
- Colobomas can range from mild to severe depending on their location and size.
- Some people with coloboma have normal vision while others may experience visual impairment.
- The genetic counselor explained that coloboma can sometimes run in families.