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Retinal Image Simulation of Subjective Refraction Techniques #MMPMID26938648
Perches S; Collados MV; Ares J
PLoS One 2016[]; 11 (3): ä PMID26938648show ga
Refraction techniques make it possible to determine the most appropriate sphero-cylindrical lens prescription to achieve the best possible visual quality. Among these techniques, subjective refraction (i.e., patient?s response-guided refraction) is the most commonly used approach. In this context, this paper?s main goal is to present a simulation software that implements in a virtual manner various subjective-refraction techniques?including Jackson?s Cross-Cylinder test (JCC)?relying all on the observation of computer-generated retinal images. This software has also been used to evaluate visual quality when the JCC test is performed in multifocal-contact-lens wearers. The results reveal this software?s usefulness to simulate the retinal image quality that a particular visual compensation provides. Moreover, it can help to gain a deeper insight and to improve existing refraction techniques and it can be used for simulated training.