Tay, E and Bajpai, R ORCID: https://orcid.org/0000-0002-1227-2703 (2020) Visual recovery after small incision lenticule extraction (SMILE) in relation to pre-operative spherical equivalent. Graefe's Archive for Clinical and Experimental Ophthalmology.

[img] Text
Visual Recovery.pdf - Accepted Version
Restricted to Repository staff only

Download (593kB)
[img] Text
SMILE_accepted manuscript.docx - Accepted Version
Restricted to Repository staff only until 13 October 2021.
Available under License Creative Commons Attribution Non-commercial.

Download (5MB)

Abstract

Purpose To assess visual recovery after small incision lenticule extraction (SMILE) in relation to pre-operative spherical equivalent. Methods Two hundred fourteen eyes of 107 patients were enrolled. Following surgery, patients were examined pre-operatively, 1 day, 2 weeks, 1 month and 3 months later. High myopia was defined as pre-operative spherical equivalent ≤ − 5 D. A linear mixed-effects model was used. Results Mean ± standard deviation pre-operative spherical equivalent was − 5.30 ± 1.36 D that reduced significantly to 0.04 ± 0.70 D (p < 0.001) at 1 month and − 0.02 ± 0.66 D (p < 0.001) at 3 months. Mean pre-operative LogMAR uncorrected distance visual acuity ± SD was 0.97 ± 0.09 that improved significantly to 0.04 ± 0.06 at 2 weeks (p < 0.001), 0.01 ± 0.04 at 1 month (p < 0.001) and 0.01 ± 0.04 at 3 months (p < 0.001). Eighty-eight eyes (41.2%) had uncorrected distance visual acuities of 0.0 at 1 day, 154 eyes (72.0%) at 2 weeks,194 eyes (90.7%) at 1 month and 199 eyes (93.0%) at 3 months. Significantly more eyes with low myopia (> − 5 D) achieved acuities of 0.0 at 1 day and 2 weeks (p = 0.041 and p < 0.001). Post-operative acuities were not associated with refractive targets, laser cut energy settings or other variables. Two hundred nine eyes (97.7%) were within ± 0.5 D of target and 213 eyes (99.5%) were within ± 1 D. Conclusions SMILE for low myopia had faster visual recovery in the early post-operative period with no significant differences between groups detected by 1 and 3 months.

Item Type: Article
Additional Information: The final accepted version of this article and all relevant information can be found online at; https://link.springer.com/article/10.1007/s00417-020-04954-8
Uncontrolled Keywords: SMILE, Visual recovery, Spherical equivalent
Subjects: Q Science > Q Science (General)
R Medicine > R Medicine (General)
R Medicine > R Medicine (General) > R735 Medical education. Medical schools. Research
R Medicine > RD Surgery
R Medicine > RE Ophthalmology
Divisions: Faculty of Medicine and Health Sciences > School of Primary, Community and Social Care
Depositing User: Symplectic
Date Deposited: 26 Oct 2020 13:06
Last Modified: 10 Nov 2020 09:12
URI: https://eprints.keele.ac.uk/id/eprint/8797

Actions (login required)

View Item View Item