Doctor, I keep seeing spots in front of my eyes.

This classic doctor's office gag hinges entirely on a delightful bit of wordplay, specifically the double meaning of the verb "to see." When the medical professional asks if the patient has "seen an ophthalmologist," they're using "seen" in the sense of "consulted" or "visited." They're suggesting a specialist who deals with eye conditions, much like you'd "see" a lawyer or a therapist. However, the patient, perhaps a little too literal-minded or just playing along for the laugh, interprets "seen" as purely "visually perceived."

This leads to the absurd image of someone looking at an eye doctor rather than consulting one, especially when their current visual complaint is, well, seeing things. The humor comes from this miscommunication, where a perfectly reasonable medical question is met with an equally reasonable, but comically unhelpful, literal answer. It's a gentle jab at the sometimes-baffling language of medicine and the simple, direct logic of the everyday person trying to navigate it, turning a common ailment like "seeing spots" into a moment of unexpected linguistic silliness.