ophthalmoscopePronunciation: /ɒfˈθalməskəʊp, ɒpˈθalməskəʊp/Definition of ophthalmoscope noun an instrument for inspecting the retina and other parts of the eye. Derivatives ophthalmoscopicPronunciation: /-ˈskɒpɪk/ adjective ophthalmoscopy noun ophthalmoscope in other Oxford dictionaries Definition of ophthalmoscope in the US English dictionary