| Grant number: | 12/19496-3 |
| Support Opportunities: | Regular Research Grants |
| Start date: | May 01, 2013 |
| End date: | April 30, 2015 |
| Field of knowledge: | Health Sciences - Medicine |
| Principal Investigator: | André Marcio Vieira Messias |
| Grantee: | André Marcio Vieira Messias |
| Host Institution: | Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil |
| City of the host institution: | Ribeirão Preto |
| Associated researchers: | Gleilton Carlos Mendonça da Silva ; Roberto Pinto Coelho ; Wilian Silva Queiroz |
Abstract
Purpose: To compare the visual performance by multifocal intraocular lenses Crystalens and Restor and monofocal SN60WF, and investigate pre-operative parameters that might help to predict outcomes.Methods: Prospective, randomized, open label trial, including 60 patients (120 eyes) referred for cataract surgery by phacoemulsification, 20 patients (40 eyes) per group (RES: Restor-D1, CRYS-Crystalens, and IQ-SN60WF). Evaluations will be conducted before, 1, 10, 30, 90 days and 1 year after surgery, and include measures of acuity, and mono-and binocular uncorrected near and distance, defocus curve, microperimetry (MAIA -CenterVue), and measuring the ability to recognize letters in low contrast in the central visual field (up to 8 degrees) with Macular Mapping Test. Static and dynamic pupillometry (IScan, Inc.), followed by keratometry, anterior chamber depth, and axial eye length (IOLMaster - Zeiss).Expected Results: To determine the differences between the visual performances of three types of lenses, correlating them with preoperative parameters, which might be eventually used as tools to predict visual outcome with these lenses. (AU)
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