title: Clinical evaluation of the OptiVis™ multifocal intraocular lens.
abstract: BACKGROUND
  The purpose of this study was to evaluate the efficacy of the OptiVis™ Multifocal Intraocular Lens (IOL) in patients undergoing bilateral crystalline lens replacement following extracapsular extraction by phacoemulsification.
  
  
  METHODS
  This was a prospective 6-month, open-label, nonrandomized clinical trial of subjects undergoing bilateral implantation with the OptiVis Multifocal IOL. Of the 121 eyes enrolled, 88 eyes of 44 subjects completed the entire 6-month trial.
  
  
  RESULTS
  After 6 months, the majority of eyes had a distance best-corrected visual acuity of 20/20 or better, with 89.8% achieving that outcome, and 100% with 20/32 or better. At an intermediate distance, most eyes (90.9%) had a distance corrected intermediate visual acuity of 20/40 or better, and 53.4% had an acuity of 20/32 or better. At a near distance, most eyes (95.5%) had a distance corrected near visual acuity of 20/40 or better by month 6. The most commonly reported adverse event was mild-to-moderate halos (n = 30, 36%) and mild-to-moderate glare (n = 15, 18%). In addition, there was one case of cystoid macular edema, one posterior capsular opacification, and one case of severe corneal edema. Postoperative contrast sensitivity was comparable with normal phakic subjects ≥ 60 years of age.
  
  
  CONCLUSIONS
  The OptiVis Multifocal IOL provided satisfactory visual acuity at distance, near, and intermediate with no apparent reduction in contrast sensitivity. Additional, longer-term follow-up studies are planned.
authors: Centro di Microchirurgia Ambulatoriale, Monza, Italy. Piovella@piovella.com
authors: Matteo
authors: M
authors: Piovella
authors: Jean-Michel
authors: JM
authors: Bosc
mesh_terms: D000368:Aged; D015350:Contrast Sensitivity; D005260:Female; D006801:Humans; D019654:Lens Implantation, Intraocular / Q000379:methods*; D007910:Lenses, Intraocular / Q000009:adverse effects / Q000592:standards*; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000379:methods*; D017060:Patient Satisfaction; D018918:Phacoemulsification / Q000379:methods*; D011182:Postoperative Care / Q000379:methods; D011358:Product Surveillance, Postmarketing; D019591:Pseudophakia / Q000209:etiology; D016896:Treatment Outcome