female ophthalmologist examining mature woman at the ophthalmology clinic, determining diopter

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