نتایج جستجو برای: best spectacle

تعداد نتایج: 382585  

2001
Eli Peli Fernando Vargas-Martín

Spectacle-mounted telescopic systems are prescribed for individuals with visual impairments. Bioptic telescopes are typically mounted toward the top of the spectacle lens (or above the frame) with the telescope eyepiece positioned above the wearer’s pupil. This allows the wearer to use up and down head tilt movements to quickly alternate between the unmagnified wide view (through the carrier le...

Journal: :British Journal of Ophthalmology 1943

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