CPC Main Group
A61F 9/00 Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand (caps with means for protecting the eyes A42B1/0181; visors for helmets A42B3/22; eye baths A61H35/02; sunglasses or goggles having the same features as spectacles G02C)
7 direct subcodes
Child Classifications
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- A61F 9/007 Methods or devices for eye surgery
- A61F 9/02 Goggles (for swimming A63B33/00)
- A61F 9/04 Eye-masks
- A61F 9/08 Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception