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Chapter-07 Refractive and Physiological Outcomes of Small Incision Lenticule Extraction

BOOK TITLE: Small Incision Lenticule Extraction (SMILE): Surgical Technique and Challenges (Comprehensive Text and Video Guide)

Author
1. Titiyal Jeewan S
2. Kaur Manpreet
3. Sahay Pranita
ISBN
9789352702145
DOI
10.5005/jp/books/14139_8
Edition
1/e
Publishing Year
2018
Pages
11
Author Affiliations
1. All India Institute of Medical Sciences, New Delhi India, Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India, Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India, All India Institute of Medical Sciences, RP Center, New Delhi, India, RP Center for Ophthalmic Sciences, All India Institute for Medical Sciences, New Delhi, India, AIIMS, New Delhi, India, Dr RP Center for Ophthalmic Sciences, All India Institute of Medical Sciences New Delhi, India, All India Institute of Medical Sciences, New Delhi, India
2. Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India, Pain Medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India, Lady Hardinge Medical Collage, New Delhi, India, All India Institute of Medical Sciences, New Delhi, India
3. Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India, Dr Rajendra Prasad Cenre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India, All India Institute of Medical Sciences, New Delhi, India, All India Institute of Medical Sciences (AIIMS), New Delhi, India
Chapter keywords
Refractive lenticule extraction, ReLEx, higher-order aberration, HOA, small incision lenticule extraction, SMILE, femtosecond-laser-assisted in situ keratomileusis, FS-LASIK, myopia, astigmatism, hyperopia

Abstract

Refractive lenticule extraction (ReLEx) is a safe and effective refractive procedure for the correction of myopia and myopic astigmatism. The visual and physiological outcomes have improved with evolving technology, and are comparable to femtosecond-laser-assisted in situ keratomileusis (FS-LASIK). The expanding refractive applications of SMILE have produced optimal results even in higher degrees of myopia, astigmatism, and hyperopia. In this chapter, the visual outcomes are discussed in detail, in terms of visual acuity as well as the quality of vision and higher-order aberrations (HOAs). The physiological outcomes will be elaborated, with emphasis on tear film stability and biomechanical strength.

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