PURPOSE: To determine corneal aberrometric values in a normal population. METHODS: Corneal topography from a group of 4340 patients was retrospectively evaluated. Exclusion criteria were applied in order to select a population with good visual acuity, no previous ocular surgery, no contact lens influence, and no corneal disease. Aberrometric analysis of the corneal wavefront derived from the topographical data of the selected population was performed. Topography from 500 patients (1000 eyes) was selected for Zernike analysis of the corneal surface, with coefficients derived up to the tenth order. RESULTS: Corneal surface aberration values related to different pupil diameter were determined. CONCLUSION: This preliminary study provided reference values for corneal aberrations in the normal population. -------------------------------------------------------------------------------- Reaxys Database Information |

Statistical analysis of physiological aberrations of the cornea

Vinciguerra P;
2003

Abstract

PURPOSE: To determine corneal aberrometric values in a normal population. METHODS: Corneal topography from a group of 4340 patients was retrospectively evaluated. Exclusion criteria were applied in order to select a population with good visual acuity, no previous ocular surgery, no contact lens influence, and no corneal disease. Aberrometric analysis of the corneal wavefront derived from the topographical data of the selected population was performed. Topography from 500 patients (1000 eyes) was selected for Zernike analysis of the corneal surface, with coefficients derived up to the tenth order. RESULTS: Corneal surface aberration values related to different pupil diameter were determined. CONCLUSION: This preliminary study provided reference values for corneal aberrations in the normal population. -------------------------------------------------------------------------------- Reaxys Database Information |
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11699/6536
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