Editing Cataract (section)

==Prevention==
Risk factors such as UVB exposure and smoking can be addressed. Although no means of preventing cataracts has been scientifically proven, wearing [[sunglasses]] that block [[ultraviolet]] light may slow their development.<ref name=Neale2003>{{cite journal | vauthors = Neale RE, Purdie JL, Hirst LW, Green AC | title = Sun exposure as a risk factor for nuclear cataract | journal = Epidemiology | volume = 14 | issue = 6 | pages = 707–712 | date = November 2003 | pmid = 14569187 | doi = 10.1097/01.ede.0000086881.84657.98 | s2cid = 40041207 | doi-access = free }}</ref><ref>{{cite journal | vauthors = Javitt JC, Wang F, West SK | title = Blindness due to cataract: epidemiology and prevention | journal = Annual Review of Public Health | volume = 17 | pages = 159–177 | year = 1996 | pmid = 8724222 | doi = 10.1146/annurev.pu.17.050196.001111 | doi-access = free }} Cited in ''Five-Year Agenda for the National Eye Health Education Program (NEHEP)'', p. B-2; National Eye Institute, U.S. National Institutes of Health</ref> While adequate intake of vitamins [[vitamin A|A]], [[vitamin C|C]], and [[vitamin E|E]] may protect against the risk of cataracts, [[clinical trial]]s have shown no benefit from supplements,<ref name="Matthew2012">{{cite journal | vauthors = Mathew MC, Ervin AM, Tao J, Davis RM | title = Antioxidant vitamin supplementation for preventing and slowing the progression of age-related cataract | journal = The Cochrane Database of Systematic Reviews | volume = 2012 | issue = 6 | pages = CD004567 | date = June 2012 | pmid = 22696344 | pmc = 4410744 | doi = 10.1002/14651858.CD004567.pub2 }}</ref> although the evidence is mixed, but weakly positive, for a potential protective effect of the [[carotenoid]]s, [[lutein]] and [[zeaxanthin]].<ref>{{cite journal | vauthors = Barker FM | title = Dietary supplementation: effects on visual performance and occurrence of AMD and cataracts | journal = Current Medical Research and Opinion | volume = 26 | issue = 8 | pages = 2011–2023 | date = August 2010 | pmid = 20590393 | doi = 10.1185/03007995.2010.494549 | s2cid = 206965363 }}</ref><ref name="MaHao2013">{{cite journal | vauthors = Ma L, Hao ZX, Liu RR, Yu RB, Shi Q, Pan JP | title = A dose-response meta-analysis of dietary lutein and zeaxanthin intake in relation to risk of age-related cataract | journal = Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht von Graefes Archiv für Klinische und Experimentelle Ophthalmologie | volume = 252 | issue = 1 | pages = 63–70 | date = January 2014 | pmid = 24150707 | doi = 10.1007/s00417-013-2492-3 | s2cid = 13634941 }}</ref><ref name="Hayashi2015">{{cite book |title=Studies on the Cornea and Lens |vauthors=Hayashi R |date=2014-11-01 |isbn=978-1-4939-1934-5 |veditors=Babizhayev MA, Li DW, Kasus-Jacobi A, Žorić L, Alió JL |series=Oxidative Stress in Applied Basic Research and Clinical Practice |pages=317–326 |language=en |chapter=The Effects of Lutein in Preventing Cataract Progression |doi=10.1007/978-1-4939-1935-2_17}}</ref>