Otoscope :: Otoscope (n.) An instrument for examining the condition of the ear.
Otoscopeic :: Otoscopeic (a.) Of or pertaining to the otoscope or to otoscopy.
Otoscopy :: Otoscopy (n.) The examination of the ear; the art of using the otoscope.
Photoscope :: Photoscope (n.) Anything employed for the observation of light or luminous effects.
Photoscopic :: Photoscopic (a.) Of or pertaining to the photoscope or its uses.
Scotoscope :: Scotoscope (n.) An instrument that discloses objects in the dark or in a faint light.