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New phakic IOL model yields positive results 1 year postoperatively
Implantation of a new phakic IOL may be as safe, effective and predictable as previous IOL models to correct myopia, according to a study.
The prospective nonrandomized clinical study analyzed 121 eyes of 68 patients after implantation of the V4b model of the Visian Implantable Collamer phakic IOL (STAAR Surgical) over a 12-month follow-up period.
The mean spherical equivalent was –8.61 ± 3.41 D preoperatively and –0.18 ± 0.29 D at 1 year postoperatively. Eighty percent of eyes were within ±0.25 D of the attempted refraction, and 94% were within ±0.5 D.
Uncorrected distance visual acuity was 20/20 or better in 66.1% of eyes and 20/40 or better in 95% of eyes. Corrected distance visual acuity was 20/20 or better in 85.1% of eyes and 20/40 or better in all eyes at the 12-month follow-up. No eyes lost lines of corrected distance visual acuity, while 18% of eyes gained one or more lines.
No intraoperative complications occurred, and no IOLs needed to be repositioned or explanted after 1 year postoperatively. – by Kristie L. Kahl
Disclosure: The authors have no relevant financial disclosures.