Short-sightedness (6)
(Other definitions for oeuvre that I've seen before include "(Artist's) collected work" , "Complete works (Fr.)" , "Complete output of a writer or artist" , "(A composer's) works" , "All the works of an artist or writer, from French" .)
'short-sightedness' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for myopia that I've seen before include "complaint" , "Short-sightedness" , "lack of long-term vision" , "vision problem" , "Condition of short sightedness" .)