Abstract
To determine the effectiveness and safety of the Softec HD IOL; and to present refractive outcomes for lenses manufactured at an IOL power tolerance of 0.11 D. Three-hundred and ninety adult patients requiring removal of a cataractous lens with implantation of a monofocal IOL in at least one eye were eligible for study participation across eight US investigative sites. Patients were enrolled unilaterally. After routine surgery, subjects were examined for adverse events (AEs), best corrected visual acuity (BCVA) and manifest refraction correction at 12 months postoperatively. Three-hundred and sixty-six (95%) of patients completed the 12-month postoperative visit. The percent of patients achieving best corrected Snellen acuity 20/40 or better was 98.9%, and 81.1% of patients achieved best corrected Snellen acuity 20/25 or better. Of those patients (80%) implanted with a lens available in 0.25 D increments (manufactured at a tolerance of 0.11 D) 40.9%, 69.8% and 93.8% of patients were within ±0.25 D, ±0.50 D and ±1.0 D of predicted target refraction respectively. Overall incidence of cumulative and persistent IOL Grid AEs was 2.2% with no AE meeting or exceeding the FDA Grid of Historical Controls. The Softec HD IOL is a safe and effective lens. The high manufacturing tolerance of the lens appears to enhance refractive outcomes.
Published Version
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