Mechanical design of a power-adjustable spectacle lens frame

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Mechanical design of a power-adjustable spectacle lens frame.

Power-adjustable spectacle lenses, based on the Alvarez-Lohmann principle, can be used to provide affordable spectacles for subjective refractive errors measurement and its correction. A new mechanical frame has been designed to maximize the advantages of this technology. The design includes a mechanism to match the interpupillary distance with that of the optical centers of the lenses. The fra...

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ژورنال

عنوان ژورنال: Journal of Biomedical Optics

سال: 2011

ISSN: 1083-3668

DOI: 10.1117/1.3582160