Effects
Vision in the affected eye is severely impaired, depending on the completed development of the optic nerve. More mild cases cause limited depth or color perception, while the most severe cause total blindness. Full use of the affected eye is never gained. The most common side effect of this disorder is eyestrain from overuse of the un-affected eye. Also, there is an increased risk of serious retinal detachment, manifesting in 1/3 of patients. If retinal detachment does occur, it is usually not correctable and all sight is lost in the affected eye.
Read more about this topic: Coloboma Of Optic Nerve
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