What does the cryptic crossword clue "Culture retrospective on wobbly bums is a problem for viewers (10)" mean?

The wordplay uses an anagram. anagram of ARTS (synonym="culture") + BUMS (synonym="BUMS") + IS (synonym="IS") = STRABISMUS The answer is STRABISMUS.

Culture retrospective on wobbly bums is a problem for viewers (10)

Guardian Cryptic #29632 | 12 Down | 2025-03-03 flower