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Optical quality and refractive outcomes after implantation of toric and non-toric version of a quadrifocal intraocular lens

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First Author: T.Kohnen GERMANY

Co Author(s):    E. Hemkeppler   C. Lwowski   K. Pawlowicz   L. Hinzelmann   W. Ahmad   M. Böhm     

Abstract Details

Purpose:

To compare the visual performance and the optical quality after bilateral implantation of a non-toric and toric diffractive aspheric multifocal intraocular lens (IOL).

Setting:

Ophthalmology Department, Goethe University, Frankfurt, Germany

Methods:

Prospective comparative case series including patients with bilateral implantation of PanOptix IOL (AcrySof^® IQ PanOptix™, Alcon), non-toric or toric version. Exclusion criteria were previous ocular surgeries excluding cataract surgery, refractive lens exchange, ocular pathologies, or corneal abnormalities. Postoperative examination included manifest refraction; monocular and binocular uncorrected (UCVA) and distance-corrected (DCVA) visual acuity (VA) in 4m, 80cm, 60cm and 40cm; slit-lamp examination. Monocular and binocular defocus testing, binocular contrast sensitivity (CS), an interview on optical phenomena and spectacle independence, and a questionnaire on optical quality including questions about halo, glare, starbursts, distorted vision and double vision in different light conditions.

Results:

The study comprised 52 patients (25 toric, 27 non-toric patients). There was a statistically significant difference in monocular visual acuity at uncorrected 80cm and distance corrected 60cm distance between the 2 IOLs (p = 0.027, p = 0.008). Even though, the interview on subjective optical quality shows no significant differences in far, intermediate and near distance activities (p > 0.05). Additionally, the detailed optical quality questionnaire including optical phenomena was similar between the groups in total, photopic, mesopic and scotopic light conditions (p > 0.05).

Conclusions:

We found no difference between a non-toric and a toric trifocal (quadrifocal) IOL in terms of visual acuity in far and near distance. Intermediate distance shows slight differences. The optical quality shows equally good results in all distances in everyday life activities and three different light conditions.

Financial Disclosure:

is employed by a competing company, ... is employed by a for-profit company with an interest in the subject of the presentation