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Tadros, A. et al.

Tadros, Bhatt, Abdul Karim, Zaheer, Thomas,

Removal of lens epithelial cells and the effect on capsulorhexis size.

PURPOSE: To assess the long-term effects of lens epithelial cell (LEC) removal on capsulorhexis opening size. SETTING: Dorset County Hospital, Dorchester, United Kingdom. METHODS: This prospective randomized control study included 39 eyes of 38 patients. Twenty eyes were selected randomly for removal of LECs from the anterior capsule as part of routine cataract operation comprising phacoemulsification with intraocular lens (IOL) implantation. The other 19 eyes were used as controls in which the LECs were not removed. All surgeries were performed by 1 surgeon (A.T.). All patients had silicone IOL (Allergan SI-40) implantation. The capsulorhexis opening size was determined immediately after surgery and 2 weeks and 6 months after surgery. Data on treatment outcome of the cataract surgery were analyzed statistically. RESULTS: Six months postoperatively, the size of the capsulorhexis had statistically significant increased in the study group that had LECs removed (mean increase 1.07 +/- 1.70 mm(2); paired Student t test P=.01), whereas the capsulorhexis size had statistically significant decreased in the control group (mean decrease -3.38 +/- 2.37 mm(2); paired Student t test, P<.0001). The difference in changes in the capsulorhexis areas between the 2 groups was also highly statistically significant (independent-sample Student t test, P<.0001). CONCLUSION: Removal of anterior subcapsular LECs by aspiration helped maintain the size of the capsulorhexis opening and thus can help prevent capsule contraction syndrome.[1]

References

Removal of lens epithelial cells and the effect on capsulorhexis size. Tadros, A., Bhatt, U.K., Abdul Karim, M.N., Zaheer, A., Thomas, P.W. Journal of cataract and refractive surgery. (2005) [Pubmed]

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