for determining refraction, e.g. refractometers or skiascopes

Full Title

Apparatus for testing the eyes; Instruments for examining the eyes > Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions > for determining refraction, e.g. refractometers or skiascopes

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

DIAGNOSIS; SURGERY; IDENTIFICATION

Related Keywords