"I stooped to the eyepiece and focussed for my vision." [SHOS]
Given Arthur Conan Doyle's training in the field of eye medicine, it's no surprise that we find a number of Sherlock Holmes characters who wear glasses.
In fact, an entire story is named after a set of eyewear. Who were some of the bespectacled band in the Sherlock Holmes stories? It's just a Trifle.
