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Laser cataract surgery significantly reduces effective phacoemulsification time when compared to standard cataract surgery

Session Details

Session Title: Femto-cataract

Session Date/Time: Monday 07/10/2013 | 08:00-10:00

Paper Time: 09:08

Venue: Forum (Ground Floor)

First Author: : T.Schultz GERMANY

Co Author(s): :    H. Dick   I. Conrad-Hengerer           

Abstract Details


To compare the effect of femtosecond laser cataract surgery on effective phacoemulsification time with standard cataract surgery.


A prospective trial was conducted to assess effective phacoemulsification time (EPT) following capsulotomy and lens fragmentation with a laser for cataract surgery (Catalys Precision Laser System, OptiMedica, California USA).


198 patients underwent conventional cataract surgery and 637 patients underwent laser cataract surgery (LCS). Preoperative nuclear opacity was estimated by one independent physician with a slitlamp (Haag-Streit, Bern, Schweiz) and graded according to the LOCS III nuclear opacity score. Both groups underwent phacoemulsification using pulsed ultrasound energy (Stellaris, Bausch & Lomb, Aliso Viejo, CA, USA).


Effective phacoemulsification time was statistically significant reduced in LOCS III nuclear opacity scores two to four. Over all cases the EPT reduction was about 95%. In grade two cataracts the mean EPT was 1.35 ± 0.89 (n=73) with conventional surgery and 0.00 ± 0.02 (n=77) with LCS (p<0.05). For grade 3 the mean EPT was 2.32 ± 0.94 (n=80) in the conventional group and 0.04 ± 0.12 (n=196) with LCS (p<0.05). For grade 4 the valued mean EPT was 4.17 ± 1,68 (n= 45) with conventional cataract surgery and 0.19 ± 0.31 (n=364) for LCS (p<0.05).


The use of the femtosecond laser system in cataract surgery led to significant lower effective phacoemulsification time compared to the standard procedure.

Financial Interest:

... gains financially from competing product or procedure, ... travel has been funded, fully or partially, by a competing company, ... receives consulting fees, retainer, or contract payments from a competing company, ... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, ... gains financially from product or procedure presented

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