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Long-term results of an intraindividual comparison of toric intraocular lens vs limbal relaxing incision for the correction of low corneal astigmatism during cataract surgery

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Session Details

Session Title: Rotational Stability & Outcomes

Session Date/Time: Monday 24/09/2018 | 14:30-16:00

Paper Time: 15:16

Venue: Room A4

First Author: : A.Liekfeld GERMANY

Co Author(s): :    N. Schulze   S. Nincke                 

Abstract Details


To compare the stability of reduction of low corneal astigmatism (1 to 2 cyl D) during cataract surgery by means of toric intraocular lenses (tIOL) versus limbal relaxing incisions (LRI) over long term follow-up (3 to 5 years).


eye clinic, Klinikum Ernst von Bergmann gGmbH, Potsdam, Germany


10 patients with cataract and corneal astigmatism of 1 to 2 diopters on both eyes were included into this randomized intra-individual prospective comparing study. One eye had a toric IOL (Tecnis Toric ZCT, AMO) implanted, the other eye was treated by limbal relaxing incision (LRI) during cataract surgery and had a standard monofocal IOL (Tecnis monofocal ZCB00) implanted. Follow up was 1 and 3 to 5 years postoperatively. The following postoperative examinations were performed: visual acuity, contrast sensitivity, night driving ability and total corneal aberrations.


After 3 years there was a residual subjective astigmatism of -0.5 D (median) in the tIOL group compared to -1.25 D in the LRI group. The uncorrected distance visual acuity (UCDVA) was 0.7 (0.5; 1.1) in the tIOL group compared to 0.6 (0.32; 1.0) in the LRI group. The results of the LRI group showed a regression over time. Best corrected distance visual acuity (BCDVA) was 1.0 in both groups. Contrast sensitivity and night driving ability showed no difference. Total corneal aberration (6mm pupil) was 0.54 (0.37; 0.7) in the tIOL group versus 0.88 (0.38; 1.36) in the LRI group.


Even for the treatment of low astigmatism toric IOL seem superior compared to LRI over long term follow-up (3 to 5 years), although there is no significant difference after 1 year.

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