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Indian J Ophthalmol. 2019 Sep;67(9):1428-1432. doi: 10.4103/ijo.IJO_1854_18.

Rotation versus non-rotation of intraocular lens for prevention of posterior capsular opacification.

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Department of Ophthalmology, Vasantrao Naik Government Medical College, Yavatmal, Maharashtra, India.



To study the effect of rotation of intraocular lens (IOL) on posterior capsular opacification (PCO) in eyes with phacoemulsification.


This was a prospective, comparative, randomized case series. One eye of each patient was randomized to one of two groups. The 360-degree rotation of IOL was carried out after its placement in the capsular bag (rotation group). The control group had no rotation of IOL. PCO was analyzed by an independent observer on EPCO computer analysis system at 6, 12, 24, and 36 months.


The study included 50 patients (100 eyes) with senile cataracts scheduled for phacoemulsification and IOL implantation. The median age in 2 groups was 66 years. 25% quartile age in both the group was 62 years (P = 0.06). There were 30 males, and 20 females. The median PCO score at 6, 12 and 24 months was significantly low in the rotation group (0.15, 0.13, 0.22) compared to the control group (0.22, 0.23, 0.25). There was no significant difference in PCO score between the two groups from 24-36 months. The median PCO score at 36 months was 0.2 in both the groups. At the end of three years, 4 eyes (8%) in the rotation group, and 10 eyes (20%) in the control group needed Nd:YAG capsulotomy (P = 0.04).


Rotation of IOL in the capsular bag decreases PCO and Nd:YAG capsulotomy rate.


Intraocular lens; phacoemulsification; posterior capsular opacification

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