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- Title
Effect of Incision Site on Central Corneal Thickness after Pediatric Cataract Surgery.
- Authors
Memon, Mariya Nazish; Surhio, Sajjad Ali; Ahmed, Azfar
- Abstract
Purpose: To evaluate the effects of two different incision sites on central corneal thickness after pediatric cataract surgery with foldable intraocular lens implantation. Material and Method: This prospective, cohort study was conducted in the Department of Ophthalmology, Liaquat University Eye Hospital, Hyderabad from January to June 2016. A total number of 104 eyes of 84 children with pediatric cataract and age range of 4-16 were randomized into 2 groups according to the incision site: clear corneal incision group (52 eyes) and scleral tunnel incision group (52 eyes). Surgery was performed under general anesthesia. Only the incision site is different and all other steps of surgery were same. After cataract removal, acrylic intra ocular lens (IOL) was implanted with the help of injector. Ultrasound Pachymetry was done to record central corneal thickness (CCT) pre operatively and 1 month and 3months post operatively. The mean of 3 readings was calculated for CCT. Results: Preoperative CCT was 518.5 ±29.4 μm in group -1 and 514 ±25.3 μm in group-2. (P value = 0.8). First month postoperative mean CCT was 527.2 ±28.7μm in group-1 and in group-2 mean CCT was 524.1 ±25 μm. The mean increase in CCT was 8.7 μm in Group 1 and 10.1 μm in Group 2 (p-value 0.6). At 3rd postoperative month the mean CCT was 533.6 ±27.7 μm in group-1 and 527.3 ±24.6 μm in group-2. The mean increase in CCT was 15.1 μm in Group 1 and 13.3 μm in Group 2 (p-value = 0.2). Difference between two means was statistically insignificant at 1 month and 3 months post op. In group-1 the mean percent increase in CCT at first postoperative month was 1.68% and 1.96% in group-2. At 3rd postoperative month the mean percent increase in CCT was2.91% in group-1 and 2.59% in group 2. Conclusion: Clear corneal and scleral tunnel incisions seem to result in no significant increase in central corneal thickness up to 3 months postoperatively if foldable intraocular lens is implanted after cataract surgery in children. Clear corneal incision should be preferred to avoid conjunctival scarring.
- Subjects
CATARACT surgery; PEDIATRIC surgery; ULTRASONIC imaging; GENERAL anesthesia; HOSPITAL care
- Publication
Ophthalmology Update, 2017, Vol 15, Issue 2, p108
- ISSN
1993-2863
- Publication type
Article