The Patient's Eyes — David Pirie

When the impoverished young Arthur Doyle opens medical practice, he is puzzled by the symptoms presented by Heather Grace, a sweet young woman whose parents have died tragically several years before. Heather has a strange eye complaint, but is also upset by visions of a phantom bicyclist, who vanishes as soon as he is followed. This enigma is soon overshadowed as Doyle finds himself embroiled in more threatening events--including the murder of a rich Spanish businessman--that call for the advice of the eminent Dr. Bell. But Dr. Bell dismisses the murder of Senor Garcia as a rather unimportant diversion from the incident which Bell considers to have real criminal implications: the matter of the solitary cyclist--and the patient's eyes...