| Título: | Near-field light distributions propagated from human corneas: determination of relevant patterns |
| Autores: |
Mas Candela, David Pérez Rodríguez, Jorge Vázquez Ferri, Carmen Hernández Poveda, Consuelo Illueca Contri, Carlos |
| Fecha: |
2007-10-16 2007-10-16 2002 2003-06-15 |
| Publicador: | RUA Docencia |
| Fuente: |
 |
| Tipo: | info:eu-repo/semantics/article |
| Tema: |
Corneal surfaces Light distributions Near-field Fresnel diffraction Quality functions Óptica |
| Descripción: |
A procedure to determine the best image range of distances that can be obtained from an aphakic eye is presented. Corneal surfaces are calculated from videokeratographic data. Light distributions at different distances inside the eye are calculated with a near-field Fresnel diffraction algorithm. These patterns are evaluated using three different quality functions which quantify the appearance of the energy distributions in each plane. Local extremes in those functions will serve to locate relevant distributions as Sturm focal planes and even the best image plane which is affordable by the cornea. The study is applied to strongly aberrated corneas. This work has been supported by the University of Alicante through project number GRE01-09. |
| Idioma: | Inglés |
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