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Acrylic hydrophilic IOL with square optic edge may reduce rate of Nd:YAG capsulotomy

Ophthalmic Surg Lasers Imaging. 2010;41(6):651-655.

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A study suggested a low occurrence of symptomatic posterior capsule opacification in patients implanted with an acrylic hydrophilic IOL.

"The Nd:YAG capsulotomy rate with the Rayner C-flex IOL is extremely low and shows results comparable with hydrophobic acrylic lenses with square-edged optic," the study authors wrote.

Investigators retrospectively reviewed the incidence of PCO among 3,461 eyes that had cataract extraction and implantation with the C-flex 570C IOL (Rayner) over a 24-month period.

Of the 58 cases of Nd:YAG capsulotomy, the rate of capsulotomy was 0.6% at 12 months and 1.7% at 24 months.

The mean time from implantation to capsulotomy was 9.3 months, the study authors said.

Patients with visually insignificant PCO were overlooked. Other limitations included the retrospective design and use of Nd:YAG capsulotomy as an indicator of symptomatic PCO. The authors suggested that actual PCO rates be objectively determined through further clinical studies.