METHOD OF PERFORMING ANTERIOR CAPSULORHEXIS IN PHACOEMULSIFICATION OF CATARACT USING A FEMTOSECOND LASER

摘要

FIELD: medicine.;SUBSTANCE: invention relates to medicine, specifically to ophthalmology. For formation of anterior circular capsulorhexis during phacoemulsification of cataract using a femtosecond laser (FSL) after femto-step and opening of formed incisions into the anterior chamber through the paracentesis, a cannula with a viscoelastic is introduced, brought to a section of the capsulorhexis, and a viscoelastic is delivered by directing its jet under the leaf of the anterior capsule in the area of the capsulorhexis. Viscoelastic separates and shifts the leaf in the side opposite to the cannula of the anterior chamber. In the presence of strong "bridges" part of the leaf is separated, but not cut sections do not move, leaving an undivided fragment of the anterior capsule, and do not cause uncontrolled ruptures. In this case, after separation of the main formed FSL capsule fragment, supply of viscoelastic is switched off, forceps are inserted into the anterior chamber and capsulorhexis is monitored. In cases where strong "bridges" are located in close proximity to cannula with viscoelastic, when feeding viscoelastic, complete absence of sheet separation is observed, but not cut areas are visualized, which enables the surgeon to perform controlled traction with forceps with manual separation of the leaf. In this case supply of viscoelastic is switched off and sheet of anterior capsule is separated by tweezers.;EFFECT: method enables reducing surgical injuries and reducing the risk of complications, particularly the risk of a linear break of the anterior capsule with its mechanical removal by tweezers during manual completion of anterior capsulorhexis.;1 cl, 2 ex