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Predicting Success: The Crucial Role of Preoperative Data in Refractive Surgery Outcomes.
Ann Ital Chir
January 2025
Department of Ophthalmology, University Hospital of Udine, 33100 Udine, Italy.
Refractive surgery, which includes techniques such as Laser-Assisted In Situ Keratomileusis (LASIK), Photorefractive Keratectomy (PRK) and Small Incision Lenticule Extraction (SMILE), has revolutionized ophthalmology by offering advanced solutions for vision correction. However, the choice of the technique to be used in the individual patient is highly dependent on a thorough preoperative evaluation. This retrospective study aims to investigate how preoperative parameters, including corneal thickness, topography, and refraction, affect long-term post-operative clinical outcomes.
View Article and Find Full Text PDFStability of small incision lenticule extraction over laser in situ keratomileusis at an altitude of 3874 m.
Sci Rep
January 2025
Xinqiao Hospital, Army Medical University, 183th, Xinqiao Street, Shapingba District, Chongqing, China.
The purpose of this study was to evaluate the stability of small-incision lenticule extraction (SMILE) and laser in situ keratomileusis (LASIK) when ascending from near sea level to an altitude of 3874 m. The visual acuity (VA), intraocular pressure (IOP), spherical equivalent refraction (SER) and biometric parameters of 20 normal subjects (40 eyes, controls) and 36 subjects who underwent corneal refractive surgery (35 eyes with SMILE and 36 eyes with LASIK) were examined in Chongqing (C, 500 m above sea level) and 7-10 days after a collective travel to Shigatse (S, 3874 m above sea level). SER and corneal thickness (CT) were choosed as main indicators of the stability of corneal refractive surgery at high altitude.
View Article and Find Full Text PDFPurpose: To evaluate the clinical outcome of laser-assisted surgical correction of high hyperopic or mixed astigmatism using small incision intrastromal lenticule rotation (SMILERO) alone or combined with photorefractive keratectomy (PRK).
Methods: This retrospective case series enrolled 25 eyes with high astigmatism that underwent SMILERO surgery. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected near visual acuity (UNVA), manifest refraction, central corneal thickness, and corneal higher order aberrations were analyzed before surgery and after 3, 6, and 12 months of follow-up.
Purpose: To evaluate a new regression-derived nomogram for high myopic astigmatism in small incision lenticule extraction (SMILE) surgery.
Methods: In this prospective study, data from 180 eyes with myopic astigmatism ranging from -2.50 to -4.
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