Oculist is an individual who may be a medically trained individual whose specialty is to test someone’s vision and to prescribe corrective lenses: “She is married to an oculist who is an expert in checking the eyesight and recommending correct number for specs.”
Optician is an individual who makes or sells equipment for the assessment: “While preparing specs for me the optician did not match the number given by the oculist.”
Ophthalmologist is a medical doctor who specializes in the diseases, functions, and structures of the eyes: “I would like my mother to be operated upon for weak eyesight by an experienced ophthalmologist.”
