641. Restrictions on the sale and supply of optical appliances.

A person1 must not sell any contact lens for use by any person who does not have a valid specification provided2 or, subject to the following provisions3, any optical appliance4 or zero powered contact lens unless the sale is effected by or under the supervision of a registered medical practitioner5, a registered optometrist or a registered dispensing optician6.

This does not apply to any of the following sales:


    (1)     a sale for a person who has attained the age of 16 of spectacles which have two single vision lenses of the same positive spherical power7 not exceeding 4 dioptres where