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Contact Suppliertrial lens set golden silver full aperture
266pcs. Trial lens set is a kind of ophthalmology calculating apparatus, used by hospital ophthalmology and glasses shop to exam people’s dioptric situation: hyperopia , myopia, presbyopia, astigmatism strabismus or color blindness.
It mainly consists of positive ir negative sphere lens, positive or negative cylinder lens, prism lens and accessory lens, etc.
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