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Lizbeth Ordoñez, Jesus Jimenez-Arroyo, Gabriel Lazcano, Natalie Juárez Reyna, Roxana Saucedo, Jesus Jimenez-Roman; Central corneal thickness as a risk factor in visual field progression in Mexican patients with glaucoma.. Invest. Ophthalmol. Vis. Sci. 2014;55(13):6164.
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To determine whether central corneal thickness in patients with primary open-angle glaucoma, normal tension glaucoma or suspected glaucoma, behaves as an independent risk factor for disease progression
Is a retrospective study of 163 patients with the diagnosis of primary open-angle glaucoma, normal tension glaucoma or suspected glaucoma. Our inclusion criteria to be in the study are patients in the glaucoma service records that have minimum 2 years follow-up, 3 or more reliable visual fields, optic nerve characteristics and central corneal thickness measured with topography
326 eyes of 163 patients, 140 (86%) primary open-angle glaucoma, 2 (1%) normal-tension glaucoma and 21 (13%) suspected glaucoma, divided into 2 groups according to their central corneal thickness: less than 550μ and greater than 550μ; the mean IOP 15.94 (± 5.38), central corneal thickness average 549.8 (± 37.2), visual field mean deviation -5.93 (± 6.82). In the group with central corneal thickness measurement <550μ observed visual field progression in 24 eyes (7%), while in the group with >550μ in 9 eyes (3%), with a relative risk of 1.49 (P = 0.01; 95% CI, 1173-1894).
The central corneal thickness in the Mexican population was estimated at 549.8μ, the group with central corneal thickness less than 550μ exist higher risk for visual field progression (RR = 1.49)
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