Retinal detachment is a disorder of the eye in which the retina detaches from the retinal pigment epithelium. Retinal detachments can be caused by fluid leaking behind the retina through tears, by traction on the retina, or by fluid exuding from the retina. The visual prognosis of a retinal detachment is dependent on the duration of the detachment, whether the macula was detached, and the underlying health of both the retina and circulatory system of the eye.
The retina is a thin layer of light sensitive tissue on the back wall of the eye. The optical system of the eye focuses light on the retina much like light is focused on the film or sensor in a camera. The retina translates that focused image into neural impulses and sends them to the brain via the optic nerve. Occasionally, posterior vitreous detachment, injury or trauma to the eye or head may cause a small tear in the retina. The tear allows vitreous fluid to seep through it under the retina, and peel it away like a bubble in wallpaper.
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http://www.hindawi.com/journals/joph/2014/956831/ gian marco tosi, davide marigliani, tommaso bacci, et al., “f6h8 as an intraoperative tool and f6h8/silicone oil as a postoperative tamponade in inferior retinal detachment with inferior pvr,” journal of ophthalmology, vol. 2014, article id 956831, 9 pages, 2014. doi:10.1155/2014/956831
bhat v, d'souza p, shah pk, narendran v. risk of tractional retinal detachment following intravitreal bevacizumab along with subretinal fluid drainage and cryotherapy for stage 3b coats' disease. middle east afr j ophthalmol [serial online] 2016 [cited 2016 jul 18];23:208-11. available from: http://www.meajo.org/text.asp?2016/23/2/208/175895
http://www.hindawi.com/journals/joph/2016/6971591/ badr o. alahmadi, sulaiman m. alsulaiman, and j. fernando arevalo, “retinal detachment in down syndrome: characteristics and surgical outcomes,” journal of ophthalmology, vol. 2016, article id 6971591, 6 pages, 2016. doi:10.1155/2016/6971591