%0 Journal Article %T The portable 'hand-held’ digital ophthalmoscope: a new type of high resolution hand held retinal imaging instrument %A Bryanston-Cross, P. J. %A Timmerman, B.H. %J Proceedings of SPIE %V 10685 %P 1068520-1068520-7 %@ 0277-786X %D 2018-05-17 %I SPIE %~ DeepDyve