To assess the results of coaxial phacoemulsification through 1.8-mm coaxial microincision cataract surgery (C-MICS) phacoemulsification with foldable intraocular lens implantation in eyes with hard cataracts in comparison to eyes with soft cataracts.
Group 1 consisted of 40 eyes of 40 patients with hard cataracts (grade ≥ 4, Lens Opacities Classification System III scale) and group 2 consisted of 45 eyes of 45 patients with non-mature cataracts (grade ≤ 2, Lens Opacities Classification System III scale). All surgeries were performed by two experienced surgeons under topical and intracameral anesthesia. Examinations were performed preoperatively and 1 month after the surgery. Examined parameters included distance-corrected visual acuity (DCVA), autorefractometry, keratometry, tonometry, endothelial cell counts, and biomicroscopy of the anterior and posterior segment. Surgically induced astigmatism was calculated with vector analysis.
Mean DCVA was 0.16 ± 0.16 preoperatively and 0.92 ± 0.21 postoperatively in group 1 (P < .05) and 0.62 ± 0.18 preoperatively and 0.97 ± 0.08 postoperatively in group 2 (P < .05). Mean surgically induced astigmatism was 0.48 ± 0.44 in group 1 and 0.53 ± 0.38 in group 2 (P > .05). Mean endothelial cell loss was 11.37% ± 12.87% in group 1 and 2.87% ± 9.66% in group 2 (P < .05).
Although density of cataract has an unfavorable influence on early postoperative corneal endothelial cell loss, it did not significantly influence final DCVA and surgically induced astigmatism. C-MICS is a safe and effective method of treatment of cataracts, including cataracts with hard nuclei, and usually leads to good functional outcomes.
[Show abstract][Hide abstract] ABSTRACT: Standard phacoemulsification is currently performed through a self-sealing, 2.2-2.8 mm incision. In recent years, the microincision phacoemulsification has been introduced, which constituted an important step in minimizing the surgical incision.
To present current knowledge of phacoemulsification through a microincision (C-MICS and B-MICS).
Phacoemulsification through a microincision with implantation of latest generation intraocular lenses is an important step in the evolution of cataract surgery.
[Show abstract][Hide abstract] ABSTRACT: The aim of the study was to retrospectively review indications, intraoperative and postoperative complications, and outcomes of combined coaxial microincision cataract surgery and 23-gauge vitrectomy for posterior segment disease.
The outcomes and findings of surgery in 50 patients (50 eyes) who underwent coaxial microincision cataract surgery and foldable intraocular lens implantation combined with 23-gauge vitrectomy for a variety of indications between January 2010 and March 2012.
No posterior capsule tear was observed during surgery. Intraoperatively, a retinal break was found in 9 eyes (18%), which were successfully treated with laser and/or cryotherapy. Corneal suture was done in 6 eyes (12%), 5 of them left and 1 right. Sclerotomy was sutured in 2 left and 2 right eyes, respectively, a total of 4 eyes (8%). In 1 case, 23-gauge vitrectomy was converted to 20-gauge vitrectomy. The postoperative intraocular pressure (millimeters of mercury, mean ± standard deviation) was 16.7 ± 9.8. Hypotony (intraocular pressure < 9 mmHg) occurred in 9 eyes (18%). In 1 eye (2%) posterior iris synechia were observed 2 weeks after surgery, and intraocular pressure was >40 mmHg. Intraocular pressure was normalized after Nd:YAG laser iridotomy. Fibrin reaction in the anterior chamber was observed in 1 eye (2%) Day 1 after surgery. Posterior capsule opacification, which required Nd:YAG laser capsulotomy, was observed in 11 eyes (22%) during the follow-up.
Combined sutureless coaxial microincision cataract surgery and 23-gauge vitrectomy offers the advantages of both coaxial microincision cataract surgery (less wound leakage, good anterior chamber stability, and safety) and 23-gauge vitrectomy (decreased inflammation and faster rehabilitation after surgery).
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