Optometrical

[op-tom-i-tree] /ɒpˈtɒm ɪ tri/

noun
1.
the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
/ɒpˈtɒmɪtrɪ/
noun
1.
the science or practice of testing visual acuity and prescribing corrective lenses
n.

1886, from optometer (1738), an instrument for testing vision, from opto- “sight,” from Greek optos “seen, visible” (see optic) + -metry. Probably influenced by French optométrie.

optometry op·tom·e·try (ŏp-tŏm’ĭ-trē)
n.
The health care profession concerned with examination, diagnosis, and treatment of the eyes and related structures, and with determination and correction of vision problems using lenses and other optical aids.
op·tom’e·trist n.

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Optophone
[op-tuh-fohn] /ˈɒp təˌfoʊn/ noun 1. an electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters. /ˈɒptəˌfəʊn/ noun 1. a device for blind people that converts printed words into sounds
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