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First Author: J.Szaflik POLAND
Co Author(s): A. Czeszyk-Piotrowicz J. Szaflik
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Comparison of new LenSx SoftFit Patient Interface with traditional interface in femtosecond laser assisted cataract surgery.
Department of Ophthalmology, Medical University of Warsaw. SPKSO University Hospital, Warsaw, Poland
Femtosecond laser cataract surgery with new patient interface was performed in 20 patients. Control group of 20 patients had femtosecond laser cataract surgery done with traditional interface. Parameters of corneal tunnels, anterior capsulotomy and lens fragmentation were identical in both groups. Mean age of the patients was between 62 and 82 years old. Analyzed parameters were: docking time, duration of the procedure, laser treatment time, energy of the laser beam, ultrasound power, precision of tunnels, comfort for the patient.
The laser treatment time was 50% less with SoftFit Patient Interface (120 s versus 59.5 s). The energy of laser beam decreased from 15 ṁJ to 7 ṁJ. There was no statistical difference in terms of phaco power in both groups. Free floating capsulotomy was achieved in 19 of 20 cases with SoftFit Patient Interface. The quality of corneal incisions was significantly better with new interface. It resulted in easier opening of the incisions and self-sealing of the tunnels at the end of the procedures.
The new patient interface with hydrogel soft contact lens insert improves docking and reduces the duration of surgery. Laser treatment time and laser energy have been significantly reduced, corneal tunnels and capsulotomy are more precise, nucleus fragmentation is improved.