Download e-book for kindle: Aniridia: Recent Developments in Scientific and Clinical by Mohit Parekh, Barbara Poli, Stefano Ferrari, Corrado

By Mohit Parekh, Barbara Poli, Stefano Ferrari, Corrado Teofili, Diego Ponzin

ISBN-10: 3319197789

ISBN-13: 9783319197784

ISBN-10: 3319197797

ISBN-13: 9783319197791

The target of this e-book is to focus on the newest findings in Aniridia examine. Aniridia, that means “without iris”, is an extraordinary genetic disease affecting imaginative and prescient, characterised through the unfinished formation of the iris (the colored a part of the attention that surrounds the black pupil). it might additionally reason different segments of the attention to be under-developed reminiscent of the optic nerve and the macula (the valuable a part of the retina). Aniridia and linked stipulations impact participants in a different way. So whereas a few affected individuals are in part sighted or blind, others can have close to common sight. Aniridia is congenital (present at delivery) and is brought on by a disorder of the PAX6 gene, located at the eleventh chromosome that factors the untimely cessation of eye improvement. Aniridia impacts among 1:40,000 to 1:100,000 humans, and impacts ladies and men both. individuals with Aniridia can also adventure secondary stipulations reminiscent of Photophobia, Nystagmus, Glaucoma, Cataracts and Keratopathy.

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Extra resources for Aniridia: Recent Developments in Scientific and Clinical Research

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Glaucoma surgical procedure could be necessary to control ocular pressure and preserve vision in the outcome of cataract procedure. Tsai reported a progressive fibrosis syndrome after cataract surgery (or tube for glaucoma surgery) that could lead to a anterior chamber fibrosis causing entrapment and displacement of the intraocular lens. An Fig. 2 Classical intraocular lens implanted in a congenital aniridia patient with severe ocular surface impairment 5 Clinical and Surgical Management of Cataract in Congenital Aniridia 43 endothelial decompensation is also observed.

In younger children, it may be difficult to assess the vision accurately, and specialized testing for visual acuity may be performed. In most instances, a complete ocular examination, including slit lamp examination, tonometry, gonioscopy, and optic nerve evaluation, can be performed in the office in children over the age of 5 years old and, with some training, in children younger than 5 years old. In aniridia patients, it is important to assess the cornea for aniridic keratopathy and the lens for cataract.

Cornea 28(9):989–996 51. Vanathi M, Panda A, Vengayil S, Chaudhuri Z, Dada T (2009) Pediatric keratoplasty. Surv Ophthalmol 54(2):245–271 52. López-García JS, García-Lozano I, Rivas L, Martínez-Garchitorena J (2006) Congenital aniridia keratopathy treatment. Arch Soc Esp Oftalmol 81(8):435–444 53. Schwartz GS, Holland EJ (2001) Iatrogenic limbal stem cell deficiency: when glaucoma management contributes to corneal disease. J Glaucoma 10(6):443–445 54. Swanner JC, Walton DS, Chen TC (2004) Prevention of aniridic glaucoma with goniosurgery.

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Aniridia: Recent Developments in Scientific and Clinical Research by Mohit Parekh, Barbara Poli, Stefano Ferrari, Corrado Teofili, Diego Ponzin

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