What does the cryptic crossword clue "Eye piece from virtual assistant swivelling around (4)" mean?

The definition is "Eye piece". The wordplay uses a reversal. SIRI (reversal="SIRI") = IRIS; definition: "Eye piece" The answer is IRIS.

Eye piece from virtual assistant swivelling around (4)

Times Cryptic #28591 | 19 Across | 2023-05-01 flower