smiling mature woman having eyesight exam and diopter measurement at the ophthalmology clinic

5059 adjusting adult adults blond body caucasian clinic coat diagnostic diopter doctor equipment ethnicity exam examining expertise eye eyeglasses eyesight hair hand having headshot healthcare holding human improvement indoors instrument lab lens mature measurement medical medicine occupation only ophthalmologist ophthalmology optical optometrist optometry part patient people professional senior sitting smiling store technology test tool two women work working years