In The Moment ... April 16, 2020 Show 797 Hour 2 Ophthalmology is a branch of medicine that deals with the diagnosis and treatment of eye disorders. On Call with the Prairie Doc® airs Thursday nights at 7 central 6 mountain on SDPB TV. The hour tonight is The Wonderful World of Ophthalmology. Dr. Deb Johnston is a family medicine physician with Avera Medical Group in Brookings and one of the team of Prairie Doc® physicians. She joins us with a preview. Find us on: Apple , Spotify , and Google