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OPHTHALMIC PERSPECTIVE
Year : 2015  |  Volume : 63  |  Issue : 1  |  Page : 46-53

Current review and a simplified "five-point management algorithm" for keratoconus


1 Department of Cornea and Refractive Surgery, Narayana Nethralaya, Bengaluru, India
2 Department of Cataract and Refractive Lens Surgery, Narayana Nethralaya, Bengaluru, India
3 Department of Ophthalmology, Maastricht University Medical Center, Netherlands

Correspondence Address:
Vishal Arora
Department of Cataract and Refractive Lens Surgery, Narayana Nethralaya, 121/C, Chord Road, 1st 'R' Block, Rajajinagar, Bengaluru - 560 010, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.151468

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Keratoconus is a slowly progressive, noninflammatory ectatic corneal disease characterized by changes in corneal collagen structure and organization. Though the etiology remains unknown, novel techniques are continuously emerging for the diagnosis and management of the disease. Demographical parameters are known to affect the rate of progression of the disease. Common methods of vision correction for keratoconus range from spectacles and rigid gas-permeable contact lenses to other specialized lenses such as piggyback, Rose-K or Boston scleral lenses. Corneal collagen cross-linking is effective in stabilizing the progression of the disease. Intra-corneal ring segments can improve vision by flattening the cornea in patients with mild to moderate keratoconus. Topography-guided custom ablation treatment betters the quality of vision by correcting the refractive error and improving the contact lens fit. In advanced keratoconus with corneal scarring, lamellar or full thickness penetrating keratoplasty will be the treatment of choice. With such a wide spectrum of alternatives available, it is necessary to choose the best possible treatment option for each patient. Based on a brief review of the literature and our own studies we have designed a five-point management algorithm for the treatment of keratoconus.


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