Medical diagnostic apparatus for visual refraction assessment for low vision patients and visual acuity prescription; medical apparatus and instruments for measuring and testing visual acuity and vision to determine the optimal corrective lens prescription; refractive devices, namely, eye testing apparatus utilizing objective and subjective refraction to determine the optimal corrective lens prescription; apparatus and instruments for carrying out reading and visual acuity tests, namely, refraction devices for medical examination use; eye testing apparatus for testing visual refraction for low vision or low visual acuity patients to determine the optimal corrective lens prescription

'acuiti':14,25,62,84 'apparatus':3,17,40,53,73 'assess':7 'carri':57 'correct':32,50,90 'determin':29,47,87 'devic':36,66 'diagnost':2 'examin':69 'eye':38,71 'instrument':19,55 'len':33,51,91 'low':9,79,82 'measur':21 'medic':1,16,68 'name':37,64 'object':42 'optim':31,49,89 'patient':11,85 'prescript':15,34,52,92 'read':59 'refract':6,35,45,65,77 'subject':44 'test':23,39,63,72,75 'use':70 'util':41 'vision':10,27,80 'visual':5,13,24,61,76,83

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