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Stereoacuity after Wavefront-guided Photorefractive Keratectomy in Anisometropia.
J Ophthalmic Vis Res
January 2017
Negah Eye Center, Tehran, Iran.
Purpose: To determine changes in stereoacuity in anisometropic myopic eyes after photorefractive keratectomy (PRK).
Methods: Myopic patients with at least 1 diopter (D) of anisometropia in sphere, astigmatism, or spherical equivalent who were referred to our hospital for excimer refractive surgery were enrolled as a prospective sequential interventional case series. All patients underwent wavefront-guided photorefractive keratectomy (WFG-PRK) using the Technolas Perfect Vision (217z) Excimer laser machine.
Photorefractive keratectomy and butterfly laser epithelial keratomileusis: a prospective, contralateral study.
J Refract Surg
September 2008
Sadalla Amin Ghanem Eye Hospital, Joinville/Santa Catarina, Brazil.
Purpose: To evaluate results of two surface excimer laser refractive surgery techniques--photorefractive keratectomy (PRK) and butterfly laser epithelial keratomileusis (butterfly LASEK).
Methods: A prospective, randomized, double-masked study of 51 patients (102 eyes) who underwent laser refractive surgery. One eye of each patient was randomized to be operated with PRK and the fellow eye with butterfly LASEK.
PRK and butterfly LASEK: prospective, randomized, contralateral eye comparison of epithelial healing and ocular discomfort.
J Refract Surg
June 2008
Sadalla Amin Ghanem Eye Hospital, Joinville, Santa Catarina, Brazil.
[A review of mathematical descriptors of corneal asphericity].
J Fr Ophtalmol
January 2002
Service d'Ophthalmologie, Fondation Ophtalmologique A. de Rothschild, Hôpital Bichat Claude-Bernard, Université Paris VII.
Purpose: Corneal asphericity may be modeled on a conic section which can be described by the apical radius of curvature in the meridian studied and by a measure of the degree of asphericity.
Material And Methods: Through an extensive review of the literature, we expose the principles, the population variations and report the application of such corneal modeling.
Results: The aspheric anterior corneal surface can be described by a conic section, defined by its radius of curvature and by a parameter measuring asphericity.
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