optician
Concise Oxford English Dictionary © 2008 Oxford University Press:
optician/ɒpˈtɪʃn/
▶noun Brit. a person qualified to prescribe and dispense glasses and contact lenses, and to detect eye diseases (ophthalmic optician), or to make and supply glasses and contact lenses (dispensing optician).
■ US a dispensing optician.
– origin C17: from Fr. opticien.
'optician' also found in these Oxford entries:

