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A Review on Different Tonometers for Intraocular Pressure Measurement After Photorefractive Keratectomy or Small Incision Lenticule Extraction

Authors Chow SC, Yeung BYM

Received 21 August 2020

Accepted for publication 22 September 2020

Published 14 October 2020 Volume 2020:14 Pages 3305—3323

DOI https://doi.org/10.2147/OPTH.S278167

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Shing Chuen Chow, Barry Yat Ming Yeung

CAP Medical Center, Hong Kong

Correspondence: Barry Yat Ming Yeung
CAP Medical Center, Rm 501-502, Hang Shing Building, 363 Nathan Road, Hong Kong
Tel +852 23329830
Fax +852 23326896
Email bymyeung@gmail.com

Abstract: This paper aims to review different tonometers for intraocular pressure measurement in eyes after photorefractive keratectomy or small incision lenticule extraction. An Entrez Pubmed search was performed on July 19th, 2020. There were 32 eligible articles investigated in the use of tonometers or biomechanical properties of cornea in post photorefractive keratectomy eyes and 11 articles investigated in post small incision lenticule extraction eyes. Corvis ST and dynamic contour tonometry were found to be accurate for intraocular pressure measurement in post photorefractive keratectomy eyes. For post small incision lenticule extraction eyes, Corvis ST was found to be more accurate than other tonometers. Other tonometers such as Goldmann applanation tonometer, noncontact tonometry, Tonopen, ocular response analyzer can also be used in post photorefractive keratectomy or small incision lenticule extraction eyes in clinical practice; however, it is important for ophthalmologists to take note of the chances of discrepancies.

Keywords: tonometry, tonometer, glaucoma, photorefractive keratectomy, small incision lenticule extraction

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