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COLOBOMA IMG_20210523_105304_540 - Coggle Diagram
COLOBOMA 
Definition
A gap/hole in the structure of the eye that may affect the eyelid, iris, retina, or optic nerve of one or both eyes
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Causes
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A gap called the choroid fissure present during early stages of prenatal development fails to close up fully before child is born
Clinical manifestations
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Posterior colobomata affect the inferior retina, deficit in the superior visual field results
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Glaucoma, nystagmus, scotoma or strabismus may occur
References
Coloboma. Royal National Institute of Blind People. January 7, 2021
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Nursing care plan
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Care of glasses, cosmetic lens
Pathophysiology
Embryonic fissure develops from eccentric invagination of the optic vesicle leaving a gap inferonasally
Gap allows hyaloid artery to access the inner eye and and is crucial for continued ocular development
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Vitamin A/ retinolol crucial for normal eye development, is also integral to this process
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Cloloboma of the iris, ciliary body, choroid, retina, or optic nerve
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