Eye expert (8)
(Other definitions for optician that I've seen before include "Spectacle-maker" , "Expert helping people see" , "Person testing vision and prescribing glasses" , "Eye tester" , "One giving eye test" .)
(Other definitions for oculist that I've seen before include "Specialist in treatment of the eyes" , "Old-fashioned eye doctor" , "Person of vision" , "Pupils' examiner" , "Visionary healer" .)