Regulation 3 of the Principal Regulations is amended as follows:(a) by inserting after the definition of "approved recording system" the following definition:authorised optometrist means a person who is authorised under Division 3A of Part 3 of the Optometrists Registration Act 1994 to prescribe a restricted substance;(b) by inserting after the definition of "nurse" the following definition:optometrist means a person who is registered as an optometrist under the Optometrists Registration Act 1994 ;