Astigmatism correction with a foldable toric intraocular lens in cataract patients

Abstract

Early postoperative and long-term follow-ups showed effective and stable correction of astigmatism after implantation of a foldable toric posterior chamber silicone IOL.

Performance visual após implante de LIO tórica em pacientes com astigmatismo corneano

“…O nosso estudo mostrou que a média da rotação da LIO foi de 3,2º, onde 95% das LIOs tiveram rotação menor ou igual a 10º, o que se traduz em uma estabilidade rotacional muito boa se compararmos com estudos como o de Shimizu et al (9) ou Ruhswurm et al (16) , os quais obtiveram rotações de até 30º com suas médias girando em torno de 15º de rotação, em nosso trabalho a rotação máxima foi de 13º. Trabalhos mais modernos como o de Till et al (17) mostram que 11% dos pacientes apresentaram rotação da LIO de até 15º, contra 5% observado no presente estudo.…”

Combined 23-gauge microincisonal vitrectomy surgery and phacoemulsification with AcrySof toric intraocular lens implantation: a comparative study

“…A similar incidence of rotation even in vitrectomized eyes may be attributable to modified L-shaped haptic design and adhesive properties of the AcrySof toric IOL. 8,14 Another reason could be no tamponade during vitrectomy.…”

“…Several studies mentioned various toric IOLs and found this method effective in correcting astigmatism. [8][9][10] Plate haptic and loop haptic toric IOLs have been used for about a decade, but are associated with postoperative rotational instability. 11 Recently, AcrySof toric IOL (Alcon Laboratories, Inc., Fort Worth, TX, USA) had good rotational stability and favorable efficacy in patients with cataracts and corneal astigmatism.…”

Toric Intraocular Lenses in Cataract Surgery

“…(Alio, Agdeppa et al 2010) Furthermore, based on a vector analysis of the refractive outcomes, the Acri.Comfort IOL has been shown to correct 91% of pre-existing astigmatism. (Alio, Agdeppa et al 2010) (Ruhswurm, Scholz et al 2000;Leyland, Zinicola et al 2001;Till, Yoder et al 2002) www.intechopen.com N = number of eyes; FU = follow-up; SD = standard deviation; D = dioptres; ° = degrees; % = percentage; UDVA = uncorrected distance visual acuity; BDVA = best-corrected distance visual acuity; VPI = visual potential index; RCT = randomised controlled trial; PCS = prospective cohort study; RS = retrospective study; * = converted from LogMAR to Snellen; ^= obtained by wavefront abberometry Table 2. Literature on monofocal toric IOLs (%) www.intechopen.com…”