CPC Main Group Additional Only
G02C 2202/00 Generic optical aspects applicable to one or more of the subgroups of G02C7/00
12 direct subcodes
Child Classifications
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- G02C 2202/02 Mislocation tolerant lenses or lens systems
- G02C 2202/04 Lenses comprising decentered structures
- G02C 2202/06 Special ophthalmologic or optometric aspects
- G02C 2202/08 Series of lenses, lens blanks
- G02C 2202/10 Optical elements and systems for visual disorders other than refractive errors, low vision
- G02C 2202/12 Locally varying refractive index, gradient index lenses
- G02C 2202/14 Photorefractive lens material
- G02C 2202/16 Laminated or compound lenses
- G02C 2202/18 Cellular lens surfaces
- G02C 2202/20 Diffractive and Fresnel lenses or lens portions
- G02C 2202/22 Correction of higher order and chromatic aberrations, wave front measurement and calculation
- G02C 2202/24 Myopia progression prevention