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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 28 — Oct. 1, 2007
  • pp: 6971–6977

Dynamic eye model for adaptive optics testing

Enrique J. Fernández and Pablo Artal  »View Author Affiliations


Applied Optics, Vol. 46, Issue 28, pp. 6971-6977 (2007)
http://dx.doi.org/10.1364/AO.46.006971


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Abstract

An artificial dynamic eye model is proposed. The prototype enabled us to introduce temporal variations in defocus and spherical aberration, resembling those typically found in the human eye. The eye model consisted of a meniscus lens together with a modal liquid crystal lens with controllable focus. A diffuser placed at a fixed distance from the lenses acted as the artificial retina. Developed software allowed the user to precisely control the dynamic generation of aberrations. In addition, different refractive errors could simultaneously be emulated by varying the distance between the components of the model. The artificial eye was first used as a dynamic generator of both spherical aberration and defocus, imitating the behavior of a real eye. The artificial eye was implemented in an adaptive optics system designed for the human eye. The system incorporated an electrostatic deformable mirror and a Hartmann–Shack wavefront sensor. Results with and without real time closed-loop aberration correction were obtained. The use of the dynamic artificial eye could be quite useful for testing and evaluating adaptive optics instruments for ophthalmic applications.

© 2007 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(220.4830) Optical design and fabrication : Systems design
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: January 16, 2007
Revised Manuscript: May 11, 2007
Manuscript Accepted: July 6, 2007
Published: September 26, 2007

Virtual Issues
Vol. 2, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Enrique J. Fernández and Pablo Artal, "Dynamic eye model for adaptive optics testing," Appl. Opt. 46, 6971-6977 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-28-6971


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