Vestnik oftalmologii · 2021
[Femtosecond laser-assisted phacoemulsification of hypermature cataract in patients with lens subluxation].
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Yusef Yu N, Yusef S N, Vvedenskiy A S, Ivanov M N, Alhumidi K, Dudieva F K
Аннотация
UNLABELLED: Studying the modern capabilities of femtosecond laser in the treatment of complicated cataracts is a topical problem in cataract surgery.
PURPOSE: To develop a technique for femtosecond laser-assisted phacoemulsification of hypermature cataract in patients with degree I-II lens subluxation.
MATERIAL AND METHODS: Phacoemulsification of hypermature cataract with comorbid lens subluxation was performed in 78 patients (78 eyes) divided into two groups. In the 1st group (45 eyes), capsulorhexis was performed using a femtosecond laser. Patients of the 2nd group (33 eyes) underwent manual capsulorhexis. The study assessed the possible frequency of using modern methods of capsular bag fixation and complete all-in-the-bag intraocular lens (IOL) implantation, as well as the number of various types of intraoperative capsular bag ruptures.
RESULTS: In all patients of the 1st group, capsulorhexis of the correct round shape and the required diameter was achieved, allowing the use of modern methods of fixation and centering of the capsular bag. Insignificant tear of the edge of the capsulorhexis after IOL implantation was detected only in 1 (2.2%) patient. Vitreous prolapse was noted in 1 (2.2%) case. In the 2nd group, manual technique resulted in oval capsulorhexis with a smooth edge, allowing the use of modern methods of fixation of the capsular bag only in 7 (21.2%) cases. Vitreous prolapse was noted in 4 (12.1%) cases. The complete in-the-bag IOL implantation was possible in 44 (97.8%) cases in the 1st group and only in 7 (21.2%) in the 2nd group.
CONCLUSION: The use of femtosecond laser in patients with hypermature cataract and lens subluxation allows achieving capsulorhexis of ideally round shape with a smooth edge. This creates the necessary conditions for the use of modern methods of fixation of the capsular bag and provides the possibility of complete all-in-the-bag IOL implantation.
PURPOSE: To develop a technique for femtosecond laser-assisted phacoemulsification of hypermature cataract in patients with degree I-II lens subluxation.
MATERIAL AND METHODS: Phacoemulsification of hypermature cataract with comorbid lens subluxation was performed in 78 patients (78 eyes) divided into two groups. In the 1st group (45 eyes), capsulorhexis was performed using a femtosecond laser. Patients of the 2nd group (33 eyes) underwent manual capsulorhexis. The study assessed the possible frequency of using modern methods of capsular bag fixation and complete all-in-the-bag intraocular lens (IOL) implantation, as well as the number of various types of intraoperative capsular bag ruptures.
RESULTS: In all patients of the 1st group, capsulorhexis of the correct round shape and the required diameter was achieved, allowing the use of modern methods of fixation and centering of the capsular bag. Insignificant tear of the edge of the capsulorhexis after IOL implantation was detected only in 1 (2.2%) patient. Vitreous prolapse was noted in 1 (2.2%) case. In the 2nd group, manual technique resulted in oval capsulorhexis with a smooth edge, allowing the use of modern methods of fixation of the capsular bag only in 7 (21.2%) cases. Vitreous prolapse was noted in 4 (12.1%) cases. The complete in-the-bag IOL implantation was possible in 44 (97.8%) cases in the 1st group and only in 7 (21.2%) in the 2nd group.
CONCLUSION: The use of femtosecond laser in patients with hypermature cataract and lens subluxation allows achieving capsulorhexis of ideally round shape with a smooth edge. This creates the necessary conditions for the use of modern methods of fixation of the capsular bag and provides the possibility of complete all-in-the-bag IOL implantation.