Development of a subjective refraction simulator

S. Perches; J. Ares; M. V. Collados

doi:10.1117/12.2026310

18 November 2013 Development of a subjective refraction simulator

S. Perches, J. Ares, M. V. Collados

Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 8785G6 (2013) https://doi.org/10.1117/12.2026310
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

We have developed simulation software by Matlab (MathworksInc.) with a graphical interface designed for non-expert users. This simulator allows you to complete the process of subjective refraction starting from the aberrometry of the patients and analyse the influence of different factors during the exam. In addition to explain the graphical interface and its working, we show two examples about a complete process of subjective refraction with the influence of high order aberrations and without them showing the retinal image obtained in each step of the refraction process. When the Jackson Cross-Cylinder technique is made with this software, it becomes clear the difficulty of chosen between two images when high order aberrations are present. Therefore, the variability of response during the refraction can be a problem when the examiner has to reach an adequate optical prescription.

Citation Download Citation

S. Perches, J. Ares, and M. V. Collados "Development of a subjective refraction simulator", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 8785G6 (18 November 2013); https://doi.org/10.1117/12.2026310

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KEYWORDS

Refraction

Eye

Cameras

Visualization

Device simulation

Image processing

Monochromatic aberrations

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