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optical appliance
(redirected from optical aid)

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appliance, opticalĀ 
Any optical system which is used in conjunction with the eye. Optical appliances include spectacles, contact lenses to correct sight and/or anomalies of binocular vision and also telescopes or microscopes to magnify an object. Syn. optical aid. See optical dispensing; ptosis.


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The next step for the team is to determine whether an optical aid that expands the visual field - peripheral prism (expansion prism EP) glasses - might be a useful device for drivers with hemianopia.
They will inspect your eyesight with optical aids, determine the problem and will prescribe corrective lenses which will keep your power in check.
It is the largest regional exhibition for the latest in eyewear, optical aids and accessories in an exciting and dynamic market.
 
 
 
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