Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions

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

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

DIAGNOSIS; SURGERY; IDENTIFICATION

Child Classifications

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• A61B 3/103 for determining refraction, e.g. refractometers or skiascopes
• A61B 3/107 for determining the shape or measuring the curvature of the cornea
• A61B 3/11 for measuring interpupillary distance or diameter of pupils
• A61B 3/113 for determining or recording eye movement
• A61B 3/117 for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
• A61B 3/12 for looking at the eye fundus, e.g. ophthalmoscopes
• A61B 3/13 Ophthalmic microscopes
• A61B 3/14 Arrangements specially adapted for eye photography
• A61B 3/16 for measuring intraocular pressure, e.g. tonometers