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Scleral lens for keratoconus: technology update

Authors Rathi V, Mandathara P, Taneja M, Dumpati S, Sangwan V

Received 31 May 2015

Accepted for publication 6 August 2015

Published 28 October 2015 Volume 2015:9 Pages 2013—2018

DOI https://doi.org/10.2147/OPTH.S52483

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Yang Liu

Peer reviewer comments 4

Editor who approved publication: Dr Scott Fraser


Varsha M Rathi,1 Preeji S Mandathara,2 Mukesh Taneja,1 Srikanth Dumpati,1 Virender S Sangwan1

1L V Prasad Eye Institute, Hyderabad, India; 2School of Optometry and Vision Science, University of New South Wales, Kensington, NSW, Australia

Abstract: Scleral lenses are large diameter lenses which rest over the sclera, unlike the conventional contact lenses which rest on the cornea. These lenses are fitted to not touch the cornea and there is a space created between the cornea and the lens. These lenses are inserted in the eyes after filling with sterile isotonic fluid. Generally, scleral contact lenses are used for high irregular astigmatism as seen in various corneal ectatic diseases such as keratoconus, pellucid marginal degeneration, or/and as liquid bandage in ocular surface disorders. In this article, we review the new developments, that have taken place over the years, in the field of scleral contact lenses as regard to new designs, materials, manufacturing technologies, and fitting strategies particularly for keratoconus.

Keywords: keratoconus, scleral lens, technology update, PROSE

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