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2016 ; 11
(3
): e0150204
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Retinal Image Simulation of Subjective Refraction Techniques
#MMPMID26938648
Perches S
; Collados MV
; Ares J
PLoS One
2016[]; 11
(3
): e0150204
PMID26938648
show 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.