FIELD: medicine; ophthalmology.
SUBSTANCE: corneal tunnel incision, circular capsulorhexis, implantation of an intracapsular ring (ICR), ultrasonic phacoemulsification, and implantation of an intraocular lens (IOL) are performed. After performing a circular capsulorhexis, the capsular bag is fixed by the edge of the capsulorhexis with iris retractors through additional corneal paracenteses in the areas of the most destroyed ligaments of Zinn. After phacoemulsification, an intracapsular ring of the SK-2 type is implanted with one of the ends of a polypropylene monofilament pre-fixed to the annular process on the inner diameter of the ICC, and the IOL is implanted into the capsular bag. After this, the iris retractors are removed, the second end of the polypropylene thread is inserted into the anterior chamber of the eye with tweezers through a corneal tunnel incision, and placed into the lumen of an insulin needle ab interno, previously inserted into the posterior chamber of the eye transclerally between the iris and the capsular bag. Then the needle is removed from the posterior chamber of the eye along with the polypropylene thread, passed through sclera and cornea and brought out in the paracentesis area, the needle is removed, and the free end of the polypropylene thread is immersed in paracentesis, singeing its end with a thermal cautery to form a flange. In particular cases, iris retractors are used in quantities of 1-4 in the projection of the 3, 6, 9 and 12 o’clock meridians. In a particular case, fixation of the ICR by the annular process is carried out with a 7/0-10/0 polypropylene thread. In a particular case, the free end of the polypropylene thread is placed into the lumen of an insulin needle measuring 27-32 Gauge.
EFFECT: method ensures prevention of detachment of the capsular bag during the operation with prevention of separation of the complex of capsular bag-intracapsular ring-intraocular lens in the postoperative period, subject to the continuation of the degenerative process of the eye, accompanied by lysis of the ligamentous apparatus of the lens.
4 cl, 3 ex
Authors
Dates
2023-10-06—Published
2023-04-03—Filed