Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
Inventor
active
Apparatus for detecting astigmatic axes and measuring refractive
Eye refractmeter
Eye refractmeters using infrared rays
Method and device for measuring diopters of astigmatic lenses
Ophthalmic examination chart projector
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Profile ID: LFUS-PAI-P-18000