Fig. 4From: Telemedicine screening of retinal diseases with a handheld portable non-mydriatic fundus cameraPanels (a, b, c, d: Unilateral comparison retinal photographs taken with the DEC200 hand-held portable fundus camera; and Panels (e, f, g, h): Unilateral comparison retinal photographs taken with a commercial TopCon TRC-NW8 camera. The four grading categories of image clarity: (a, e) excellent; (b, f) good; (c, g) fair; and (d, h) inadequateBack to article page