1. Articles from Lixia Luo

    1-3 of 3
    1. Accuracy of new generation intraocular lens calculation formulas in vitrectomized eyes

      Accuracy of new generation intraocular lens calculation formulas in vitrectomized eyes

      Purpose To compare the prediction accuracy of new intraocular lens (IOL) calculation formulas (Barrett Universal II (BUII), Emmetropia Verifying Optical (EVO), Kane and Ladas Super formula) and traditional formulas (Haigis, Hoffer Q, Holladay 1 and SRK/T) with Wang-Koch (WK) axial length (AL) adjustment in vitrectomized eyes. Design Retrospective consecutive case-series study. Methods 111 eyes of 111 patients underwent uneventful phacoemulsification and enVista MX60 implantation following vitrectomy were enrolled and divided into four groups according to whether the vitreous cavity was filled with silicone oil. The performance of each formula was evaluated with or without lens constant optimization. Results Before ...

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    2. Comparison of radius of anterior lens surface curvature measurements in vivo using the anterior segment optical coherence tomography and Scheimpflug imaging

      Comparison of radius of anterior lens surface curvature measurements in vivo using the anterior segment optical coherence tomography and Scheimpflug imaging

      Background: To assess the radius of anterior lens surface curvature (RAL) measurements with anterior segment optical coherence tomography (AS-OCT) in comparison with Scheimpflug imaging. Methods: This prospective, cross-sectional study was carried out at Zhongshan Ophthalmic Center, Guangzhou, China. We enrolled 59 eyes, including 30 eyes from 30 cataractous volunteers (59 to 87 years) and 29 eyes from 29 young participants (19 to 49 years). After mydriasis, the RAL was measured automatically by the built-in software in the AS-OCT (CASIA 2). The Scheimpflug images were measured with the build-in caliper tool of the Scheimpflug camera (Pentacam), and RAL were further calculated ...

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    3. Early changes in clear cornea incision after phacoemulsification: an anterior segment optical coherence tomography study

      Purpose: We aimed to investigate the ultrastructures of clear corneal incisions 24 hours after phacoemulsification using anterior segment optical coherence tomography (AS-OCT).Methods: Sixty eyes of 60 patients scheduled for cataract surgery were randomly selected. All eyes underwent the same phacoemulsification procedure carried out by one experienced surgeon. Two-plane temporal clear corneal tunnel incisions were performed. The same types of intraocular lens and implant system were used in all patients. Images of the ultrastructures of the corneal incisions were taken using AS-OCT before and 1 day after surgery.Results: Corneal thickness increased at the incision site after surgery in all ...
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    1-3 of 3
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