Primary posterior capsular opacification in Indian rural population undergoing cataract surgery for hypermature senile cataract
نویسنده
چکیده
AIM To find out the incidence of primary posterior capsular opacification (PCO) in rural patients with a hypermature senile cataract undergoing cataract surgery. SETTINGS Tertiary eye care center in central India. DESIGN Prospective, observational, noncomparative study. MATERIALS AND METHODS Two-hundred eyes of 200 patients presenting with a hypermature cataract underwent manual small incision cataract surgery. A single surgeon performed all surgeries under peribulbar anesthesia. After cortical clean-up, the capsular bag was inflated with viscoelastic. The presence or absence of opacity on the posterior lens capsule and location was noted. Postoperative follow-up was done for visual acuity and need for neodymium-doped yttrium aluminum garnet (ND:YAG) laser capsulotomy. RESULTS Primary PCO occurred in 76 eyes (incidence of 38%). It was peripheral in 58 eyes (76.3%) and central in 18 eyes (23.7%). At 6 weeks postoperatively, best corrected visual acuity for eyes with central primary PCO (n = 18) was 0.2-0.3 logMAR and 0-0.2 logMAR for eyes with peripheral primary PCO (n = 58). Best corrected visual acuity at the 6- and 12-month follow-up was 0-0.2 logMAR in both groups. Fibrotic primary PCO was seen in four patients. No predilection for the development of primary PCO to a particular quadrant of posterior capsule was observed. At 1 year postoperatively, eleven (14.5%) patients required ND:YAG laser capsulotomy, six (7.90%) of whom underwent ND:YAG laser capsulotomy at the 6-month follow-up. Seven patients with central primary PCO and four patients with peripheral primary PCO required ND:YAG laser capsulotomy. CONCLUSION A high incidence of primary PCO was noted in rural patients with a hypermature senile cataract undergoing cataract surgery. No serious intraoperative complications were noted. Visual outcome at 1-year follow-up was satisfactory. Need for early ND:YAG laser posterior capsulotomy should be explained to these patients before cataract surgery. No post ND:YAG capsulotomy complications were noted in any patient.
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عنوان ژورنال:
دوره 7 شماره
صفحات -
تاریخ انتشار 2013