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12 September 2014 A pair of diopter-adjustable eyeglasses for presbyopia correction
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Abstract
We describe and demonstrate a pair of diopter-adjustable eyeglasses aimed to correct presbyopia; the glasses provide a tunable optical power in the whole surface of the lens cell, eliminating the optical distortion typical of bifocal/trifocal or progressive glasses. The wearer can actively control the optical power by a simple sliding gesture on the bridge of the glasses, so that presbyopic vision can be interactively corrected. Results from a preliminary experiment showed that a presbyopia sufferer could clearly observe near and far objects under the assistant accommodation of the glasses. Designing a truly wearable system poses some challenges – none of them theoretical – so the system should be feasible in the near future.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lihui Wang, Alvaro Cassinelli, Hiromasa Oku, and Masatoshi Ishikawa "A pair of diopter-adjustable eyeglasses for presbyopia correction", Proc. SPIE 9193, Novel Optical Systems Design and Optimization XVII, 91931G (12 September 2014); https://doi.org/10.1117/12.2061659
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