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Effectiveness of femtosecond laser-assisted cataract surgery using a low energy femtosecond

Poster Details

First Author: L.Izquierdo PERU

Co Author(s):    B. Rubio   J. Mej�Ã�­as   M. Henriquez              

Abstract Details


To describe the intraoperative and postoperative outcomes of Femtosecond laser assisted cataract surgery (FLACS) using a low energy femtosecond in patients with cataract.


Oftalmosalud Instituto de Ojos , Lima, Peru


Prospective cases series of 73 eyes diagnosed with cataract and operated with phacoemulsification and a low energy Femtosecond (LDV Z8 model, Ziemer Ophthalmic Systems AG) between July 2016 to December 2016. Pre and 3 months postoperatively Visual acuity (VA), Pachymetry and specular microscopy was assessed as well as intraoperative laser power, capsulorhexis, incisions and fragmentation. Cataract classification was assessed using the lens opacity classification system III.


19.18% (14) eyes had cataract grade 2, 63.01% (46) grade 3, 13.7% (10) grade 4 and 4.11% (3) grade 5.Endotelial cells count decreased 7.4% between the pre and 3 months postoperatively. Mean postoperative Uncorrected and Best Corrected VA was 0.21 LogMAR (SD: 0.02) and 0.09 LogMAR (SD:0. 01) (p<. 001 both). Pachymetry increased 29.4 �ï��­m at the first postoperative day (p<. 001). Mean standard laser power was 115 nJ, capsulorexis diameter 5 mm, with 100% of complete capsulorexis and complete nucleous fragmentation. Complete corneal incisions were achieved in 97.26% (71) of the cases. Mean surgical time was 6.74 minutes (SD: 1.81) and there were no intra- or postoperative complications.


Low energy femtosecond laser assisted surgery is an effective and safe technique for cataract surgery. Excellent corneal incisions, capsulorhexis and fragmentation were achieved.

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