intravitreal chemotherapy
(IN-truh-VIH-tree-ul KEE-moh-THAYR-uh-pee)
Treatment in
which anticancer drugs are injected directly into the
vitreous humor (gel-like fluid inside the eye).
Intravitreal chemotherapy is used to treat retinoblastoma
that has spread to the vitreous humor and has come back or
has not gotten better after other treatment.