title: Rotational stability and patient satisfaction after implantation of a new toric IOL.
abstract: OBJECTIVE
  To evaluate rotational stability, astigmatism correction, visual outcomes, and patient satisfaction after implantation of the toric intraocular lens (IOL) Torica-aA following cataract extraction over a 6-month follow-up period.
  
  
  METHODS
  This prospective observational study enrolled 40 eyes of 26 patients presenting with preexisting corneal astigmatism of 1.00 to 2.60 D. The rotational stability of the IOL was evaluated using retroillumination photographs taken within 24 hours after surgery and 1 week and 6 months postoperatively. Other main study outcomes were assessed 6 months postoperatively and included uncorrected and distance-corrected visual acuities, astigmatism correction, and patient satisfaction.
  
  
  RESULTS
  Six months postoperatively, mean absolute IOL rotation was 1.99 ± 1.88° (range 0.10-7.40°) and secondary repositioning was not required. The IOL rotation was &lt;3° in 85% of eyes, ≤5° in 94% of eyes, and &lt;8° in 100% of eyes. Mean residual refractive cylinder was -0.57 ± 0.34 D. The magnitude of the J0 vector was significantly decreased postoperatively (p&lt;0.0001). The mean J45 vector was close to zero preoperatively and postoperatively (p = 0.27). Mean monocular uncorrected distance visual acuity (UDVA) was 0.09 ± 0.12 logMAR and 97% of eyes achieved UDVA of 20/40 or better including 66% of eyes having 20/25 or better. The good UDVA resulted in high levels of spectacle independence and patient satisfaction.
  
  
  CONCLUSIONS
  Implantation of the Torica-aA IOL was safe and effective in reducing low to moderate preexisting corneal astigmatism and provided good rotational stability and refractive outcomes, which led to a high degree of patient satisfaction.
authors.affiliation: Konventhospital der Barmherzigen Brüder, Linz - Austria.
authors.forename: Balazs
authors.initials: B
authors.lastname: Gyöngyössy
authors.affiliation: Eyelaser, Linz - Austria.
authors.forename: Paul
authors.initials: P
authors.lastname: Jirak
authors.affiliation: Konventhospital der Barmherzigen Brüder, Linz - Austria.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Schönherr
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001251:Astigmatism / Q000150:complications / Q000503:physiopathology; D002386:Cataract / Q000150:complications / Q000503:physiopathology; D005260:Female; D006801:Humans; D019654:Lens Implantation, Intraocular / Q000379:methods*; D007910:Lenses, Intraocular; D008297:Male; D008875:Middle Aged; D017060:Patient Satisfaction; D018918:Phacoemulsification; D011446:Prospective Studies; D011475:Prosthesis Failure; D019591:Pseudophakia / Q000503:physiopathology; D012029:Refraction, Ocular / Q000502:physiology; D012399:Rotation; D016896:Treatment Outcome; D014787:Vision Tests; D014792:Visual Acuity / Q000502:physiology