(a)

1. (1) It shall be unlawful for any dispensing optician or person engaged in the business of manufacturing, selling, or dispensing regular and/or safety ophthalmic materials to:

   1. (A) Fill or duplicate an ophthalmic prescription without having a written prescription signed by the licensed optometrist or licensed physician skilled in disease of the eye who conducted the examination from which the prescription was prepared; or
   2. (B) Fail to comply with the written instructions when such instructions are included on a written prescription signed by a licensed optometrist or licensed physician skilled in disease of the eye.
2. (2) No change or alteration from the prescription of the prescribing optometrist or physician shall be made, except that changes may be made in tint or material of the lenses unless such changes are specifically prohibited on the written prescription.

(b)

1. (1) Nothing in this part shall be construed to authorize or permit any licensed or registered dispensing optician or any other person, except a licensed optometrist or licensed physician skilled in disease of the eye, to undertake or hold himself or herself out as being able to:

   1. (A) Examine eyes by any objective or subjective method or exercises eyes;
   2. (B) Undertake by any method or means the measurement of the cornea of the human eye; or
   3. (C) Examine, prescribe, diagnose, treat, or correct for visual deficiency.
2. (2) The prescribing, adapting, fitting, duplicating, dispensing, modifying, selling, or supplying of contact lenses for or to the human eye is specifically prohibited except when done by a licensed optometrist or licensed physician skilled in disease of the eye.