Anterior capsule opacification after femtosecond laser-assisted cataract surgery: Clinical classification versus Scheimpflug device densitometry values.
2016
Purpose To compare the clinical classification of anterior capsule opacification (ACO) after femtosecond laser–assisted cataract surgery with the mean density values of ACO provided by rotating Scheimpflug device (Pentacam HR) densitometry software and to determine which densitometry method correlates best with the clinical classification. Setting Ophthalmology Department, Donostia University Hospital, Donostia-San Sebastian, Spain. Design Prospective comparative study. Methods Femtosecond laser–assisted cataract surgery was performed using the Victus platform between June 2014 and March 2015. Inclusion criteria were age between 55 years and 85 years, a pupil diameter larger than 6.0 mm in full mydriasis, no intraoperative complications, a curvilinear anterior capsulotomy without tears, and an intraocular lens in the correct intracapsular position at the end surgery. The ACO was measured by a clinical classification ranging from 0 to 4. In addition, ACO density was measured with the Scheimpflug device using 3 densitometry methods (area, linear, and peak). Results The study comprised 32 eyes of 32 patients. Area and linear densitometry values provided by the Scheimpflug device had a strong correlation with the values obtained by clinical classification, whereas peak densitometry values had a very weak correlation at 6 months (area densitometry: Spearman ρ = 0.78; P P P = .2). Conclusion The Scheimpflug device provided an objective measurement of ACO after cataract surgery. Financial Disclosure None of the authors has a financial or proprietary interest in any material or method mentioned.
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