This iPhone attachment is a fine idea — but there’s one big problem


On occasion, I have wanted to show patients their ear-drum. This might be to demonstrate the fungal spores of an otitis externa, view a tympanic perforation post-diving, or to show a concerned mother her child’s normal ear drum.

The Cellscope Oto is designed to allow visualisation of the ear drum using an iPhone. The theory is simple. The Oto attachment comes with a case for the phone, is compatible with Welch Allyn otoscope pieces, and you use the phone’s light source. I recently purchased one and