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Laser arcuate incisions: 1 year safety and effectiveness data

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Session Details

Session Title: Challenge of Astigmatism Correction

Session Date/Time: Sunday 14/09/2014 | 17:00-18:30

Paper Time: 17:48

Venue: Capital Hall A

First Author: : P.Stodulka CZECH REPUBLIC

Co Author(s): :    M. Netukova              

Abstract Details


To present results of laser astigmatic arcuate kertatotomy performed during cataract surgery.


Gemini Eye Clinic, Czech Republic


Laser arcuate incisions were pefromed on steep corneal axis by Victus (Technolas Bausch + Lomb) femtosecond laser on 50 eyes with 1 year follow-up. All patients had refractive astigmatism, K-values, of 0.5D -3,0D, as determined using the autokeratrefractometer (Tonoref II, Nidek). The cataract grade ranged from 0 (where a refractive lens exchange was performed) to grade 5. The arc was positioned at a diameter of 8.5mm and depth was 80%, as pre-determined with pachymetry (Pentacam, Oculus). The AKs were opened directly after the cataract surgery under the surgical microscope.


Astigmatism decreasing from -1.8 ±0.7D preop. to -0.5 ±0.4D at 3 months. 70% eyes had manifest cylinder of ≤ 0.50D, 83% eyes at ≤ 0.75D and 94% at ≤ 1.0D. Mean post-operative objective cylinder was –0.3 ±0.6D. Similarly, a decrease in mean manifest SEQ was observed, decreasing from 0.2 ±5.5D preoperatively to 0.1 ±1.1D at 3 months postop. Thirteen eyes (27%) had an UDVA of ≥20/20. No patient lost a line of UDVA. The mean corrected distance visual acuity (CDVA) remained quite stable. Twenty three eyes (47%) gained from 1 to 14 lines, 20 eyes (41%) remained stable, and 6 eyes (12%) lost CDVA.


Our 1 year laser arcuate results are generally comparable with the published data on the correction of astigmatism using toric IOLs and better than published data on manual AKs.

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