Abstract
BackgroundTo investigate the surgical outcomes of implantable collamer lens (ICL) implantation in eyes with residual myopia after primary laser vision correction (LVC) surgeries.MethodsThis study included patients who underwent ICL implantation and had a history of LVC surgery, including photorefractive keratectomy (PRK) or laser-assisted in situ keratomileusis (LASIK). Visual acuity and refractive error were assessed pre and 3-months postoperatively and the efficacy and safety indices calculated accordingly.ResultsA total of 30 eyes of 17 patients were included in this study. At 3 months, the mean logMAR uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), and spherical equivalent were − 0.03 ± 0.11 (include logMAR), − 0.04 ± 0.09 (include logMAR), and − 0.06 ± 0.33 diopters (D), respectively. The 3-month Snellen UDVA was better than 20/20 for 83% of eyes, and 97% of eyes showed an unchanged or improved CDVA after surgery. The mean efficacy and safety indices were 1.11 ± 0.22 and 1.13 ± 0.20, respectively. Further, 93 and 100% of eyes were within ±0.5 and ± 1.0 D of the attempted spherical equivalent refraction, respectively.ConclusionsICL implantation in eyes with myopic regression after previous LVC surgery showed safe, effective, and predictable outcomes.Trial registrationretrospectively registered.
Highlights
To investigate the surgical outcomes of implantable collamer lens (ICL) implantation in eyes with residual myopia after primary laser vision correction (LVC) surgeries
We aimed to analyze the surgical outcomes of ICL implantation in eyes with myopic regression after primary LVC surgeries including laser-assisted in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK)
The preoperative refractive astigmatism was within 0.50 D and 1.00 D in 70 and 100% of eyes, respectively, while the postoperative astigmatism was within 0.50 D and 1.00 D in 87 and 97% of eyes, respectively (Fig. 1E)
Summary
To investigate the surgical outcomes of implantable collamer lens (ICL) implantation in eyes with residual myopia after primary laser vision correction (LVC) surgeries. The implantable collamer lens (ICL) is widely used to correct moderate and high myopia, and some studies have reported ICL implantation in eyes that underwent previous corneal surgeries, including LASIK, PRK, and radial keratotomy [8,9,10]. Among these studies, one reported ICL implantation to be a safe and effective way to retreat residual myopia after primary corneal refractive surgeries [8].
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