1. The 150th anniversary of the binocular indirect ophthalmoscope: 1861–2011. Issue 3 (17th February 2011) Authors: Keeler, Richard; Burrows, Clive; Singh, Arun D; Dua, Harminder S Journal: British journal of ophthalmology Issue: Volume 95:Issue 3(2011) Page Start: 306 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Schultz–Crock binocular ophthalmoscope. (24th January 2013) Authors: McAllister, Ian L; Keeler, Richard; Burrows, Clive Journal: Clinical & experimental ophthalmology Issue: Volume 41:Number 6(2013) Page Start: 603 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗