Brainy specs

 was the name given to the glasses worn by the Doctor when he studied. The First Doctor was known to wear them, (TV: The Time Meddler, The Daleks' Master Plan, TV: The War Machines, TV: The Romans, PROSE: Urrozdinee, et. al) as was the Fifth (TV: Frontios, TV: Time Crash, et. al) and Tenth Doctors. (TV: Tooth and Claw, TV: Rise of the Cybermen, TV: Time Crash, et. al)

The Eleventh Doctor used his previous companion's reading glasses as brainy specs. (TV: The Angels Take Manhattan TV: The Snowmen)