Optometry
From BiblePortal Wikipedia
Optometry [1]
(1): ( n.) Measurement of the range of vision, esp. by means of the optometer.
(2): ( n.) "The employment of any means, other than the use of drugs, for the measurement of the powers of vision and adaptation of lenses for the aid thereof."
(3): ( n.) "The employment of subjective and objective mechanical means to determine the accomodative and refractive states of the eye and the scope of its function in general."
(4): ( n.) As defined (with minor variations) in the statutes of various States of the United States:
