Eye testing apparatus for testing visual refraction for low vision or low visual acuity patients to determine the optimal corrective lens prescription

'acuiti':14 'apparatus':3 'correct':20 'determin':17 'eye':1 'len':21 'low':9,12 'optim':19 'patient':15 'prescript':22 'refract':7 'test':2,5 'vision':10 'visual':6,13

Refraction apparatus for non-medical use, namely, apparatus for measuring the extent of eye defect; apparatus and instruments for carrying out reading and visual acuity tests

'acuiti':26 'apparatus':2,9,17 'carri':21 'defect':16 'extent':13 'eye':15 'instrument':19 'measur':11 'medic':6 'name':8 'non':5 'non-med':4 'read':23 'refract':1 'test':27 'use':7 'visual':25

REVOLUTIONIZING REFRACTION

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