Cal. Bus. & Prof. Code § 525
No dispensing optician, optometrist, or physician and surgeon shall dispense, prescribe, or sell any eyeglasses for use of a person whose sight is limited to one eye, a person who is a member of the California Highway Patrol or of a county sheriff's office, a city police officer, a person who is a firefighter employed by the fire department of a city, county, city and county, or fire protection district and who normally wears such glasses for on-duty employment, or a person who is under 18 years of age, unless such eyeglasses are made with case-hardened lenses, with lenses made of laminated glass, with lenses made of resin material, or with lenses made of any other material resistant to shattering and which shall not be installed in frames manufactured of flammable material.
Ca. Bus. and Prof. Code § 525