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Cataracts can arise as an effect of exposure to various types of radiation. X-rays, one form of ionizing radiation, may damage the DNA of lens cells. [21] Ultraviolet light, specifically UVB, has also been shown to cause cataracts, and some evidence indicates sunglasses worn at an early age can slow its development in later life. [22]
Approximately 50% of all congenital cataract cases may have a genetic cause which is quite heterogeneous. It is known that different mutations in the same gene can cause similar cataract patterns, while the highly variable morphologies of cataracts within some families suggest that the same mutation in a single gene can lead to different ...
Childhood cataracts are the primary cause of childhood blindness. [4] Childhood cataracts make up 7.4% to 15.3% of blindness in kids. [ 4 ] The prevalence of childhood cataracts ranges from 0.63/10,000 to 9.74/10,000 children, with a median of 1.71. [ 6 ]
Cataract risk factors. Age is the most common cause of cataracts. Having a family history of cataracts raises your risk for getting them, too. Other risk factors include: Lifestyle-related risk ...
Congenital cataract is a lens transparency disorder that occurs at birth or soon after. It is a leading cause of treatable vision loss or visual impairment in children. [2] A cataract is a clouding of the eye's lens. and is caused by a disruption in the normal structure or function of the lens protein, resulting in opacity.
One common indicator of CTX is cataract that develops in childhood. [7] It has been highlighted that this is an early symptom that comes before neurological symptoms and tendon xanthoma, and it is thought to be helpful for an early diagnosis. [2] Adults with CTX frequently have cataracts and optic disk paleness as well. [8]
A cataract is an opacity that develops in the crystalline lens of the eye. [9] The word cataract literally means, "curtain of water" or "waterfall" as rapidly running water turns white, so the term may have been used metaphorically to describe the similar appearance between mature ocular opacities and water fall.
12967 Ensembl ENSG00000118231 ENSG00000285434 ENSMUSG00000067299 UniProt P07320 P04342 RefSeq (mRNA) NM_006891 NM_007776 RefSeq (protein) NP_008822 NP_031802 Location (UCSC) Chr 2: 208.12 – 208.12 Mb Chr 1: 65.1 – 65.1 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Gamma-crystallin D is a protein that in humans is encoded by the CRYGD gene. Crystallins are separated into two ...
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