(under subclass 205) Subject matter relating to devices including a light source for internal or external illumination of the eye during examination and/or photographing thereof.
(1) Note. Included here are light source devices for controlled illumination of vision test charts used in the practice of optometry, slit lamps with or without fibre-optical image-transfer devices, and illuminators in the form of a contact lens fitting over the scieral area of the eye.
SEE OR SEARCH THIS CLASS, SUBCLASS:
237, for subjective testing with target projection.
243, for illuminated charts and targets.
SEE OR SEARCH CLASS
362, Illumination, appropriate subclasses for portable and self-contained illuminators combined with other instruments in general, for battery powered lamps; and for illumination projectors.
