Sec.20-141-4. Equipment for opticians

In order to protect the public health and safety, each applicant being issued an optical license shall have in his place of business and at his disposal the following equipment in order to complete the requirements for such license: (1) A complete set of neutralizing lenses or mechanical instrument for the measurement of focus power, in which case such instrument should bear a maximum tolerance of accuracy of .06; (2) lens-centering device; (3) lens measure; (4) thickness caliper; (5) equipment for accurately measuring pupillary distance.