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- Title
Low Contrast Acuity Outcomes After SMILE and LASIK.
- Authors
Sia, Rose K.; Eaddy, Isabel; Beydoun, Hind; Eaddy, Jennifer B.; Hogan, Alexis; Skurski, Zachary P.
- Abstract
Purpose: To compare early visual quality of small incision lenticule extraction (SMILE) versus laser in situ keratomileusis (LASIK) in terms of low contrast acuity. Methods: A secondary analysis was performed using a harmonized dataset derived from two completed prospective cohort studies on active-duty military service members undergoing either SMILE (n = 37), wavefront-guided (WFG) LASIK (n = 51), or wavefront-optimized (WFO) LASIK (n = 56). Night vision and photopic and mesopic low contrast visual acuity (LCVA) up to 3 months postoperatively were compared between groups. Results: Compared to SMILE-treated eyes, WFG LASIK–treated eyes had significantly better night vision and photopic LCVA at 1 month postoperatively (beta = −0.039, P =.016; beta = −0.043, P =.007, respectively). WFO LASIK–treated eyes had significantly better photopic LCVA at 1 month postoperatively (beta = −0.039, P =.012) but had worse mesopic LCVA at 3 months postoperatively (beta = 0.033, P =.015) versus SMILE-treated eyes. Conclusions: SMILE and LASIK, on either a WFG or WFO laser platform, yielded excellent outcomes, but LCVA seemed to recover quicker following LASIK compared to SMILE. [J Refract Surg. 2024;40(9):e667–e671.]
- Subjects
LASIK; VISUAL acuity; MILITARY personnel; NIGHT vision; WAVEFRONTS (Optics)
- Publication
Journal of Refractive Surgery, 2024, Vol 40, Issue 9, pe667
- ISSN
1081-597X
- Publication type
Article
- DOI
10.3928/1081597X-20240723-04