Abstract

Aim: To observe the changes in refraction after Cataract surgery in children less than 4 years of age using Dahans formula. Methods: The retrospective evaluation of the records of children with congenital and developmental cataracts who underwent cataract operations with intraocular lens implantation was conducted. The patients’ ages ranged from 6 months to 4 years. All the sutures of cornea were removed after 1 month of surgery. IOL power was calculated using Dahan’s formula based on axial length. Refraction was performed after 1, 3, 6, and 12 months. Results: About 40 eyes of 20 children with bilateral congenital & developmental cataract (11 males and 9 females) were included. The age range was 6 months to 4 years & mean was 28.8±1.38 months. Significant myopic shift was observed in all the children and maximum myopic shift was observed in children below 2 (0-24 months) years of age. Conclusion: Significant myopic shift has been observed in children. So, under corrected IOL implantation is safe to achieve target refraction.

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