- Congenital cystic eye
Congenital cystic eye (CCE) is an extremely rare
ocular malformation where the eye fails to develop correctly "in utero " and is replaced bybenign , fluid-filled tissue. [ [http://www.biomedcentral.com/1471-2415/3/7 BioMed Central | Full text | Congenital cystic eye with multiple dermal appendages: a case report ] ] Its incidence is unknown, due to the very small number of cases reported. Anaudit by Duke-Elder of themedical literature in English from1880 to1963 discovered only 28 cases. The term was coined in 1937 by the renownedophthalmologist Ida Mann . [ [http://www.ijo.in/article.asp?issn=0301-4738;year=1987;volume=35;issue=2;spage=88;epage=91;aulast=Pillai Congenital cystic eye-A case report with CT scan Pillai AM, R, Sambasivan M, - Indian J Ophthalmol ] ]Embryologically, the
defect is thought to occur around day 35 ofgestation , when thevesicle fails toinvaginate . Dysgenesis of the vesicle later in development may result incoloboma , a separate and less severe malformation of the ocular structures.CCE is almost always
unilateral , but at least 2 cases ofbilateral involvement have been described. Patients may also present withcutaneous appendages attached to the skin surrounding the eyes.Treatment of CCE is usually byenucleation , followed by insertion of an ocularimplant andprosthesis .References
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