oculist:
(also ‘ophthalmologist‘, ‘optometrist‘; plural: ‘oculists‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound as in “king” and the letter ‘u’ is said with a ‘y’ sound as in “yes” — okya.list — for the right pronunciation of ‘oculist’, please click here)
(an old name for) a medical doctor who is a specialist in treating the diseases of the eye; an eye doctor,
An oculist is an eye doctor in a broad sense and he/she can be an ophthalmologist or optometrist depending on the training he/she receives.
Oculists of the past depended more on their sense and the symptoms of the complaint than on the devices or equipment that the modern ophthalmologists use these days.
The modern day eye examination depends more on medical equipment and computerised eye testing which gives the oculists the exact problem and some suggestions as to how to rectify it.

