Those are pearls that were his eyes.
In a richly decorated room, a neurotic woman demands conversation from her silent companion. The atmosphere is oppressive, theatrical. Amid fragments of speech and allusion, this Shakespeare quotation surfaces — Ariel's song about a drowned father whose bones become coral and eyes become pearls.
Shakespeare's Ariel song from The Tempest, repurposed as a haunting refrain — death as sea-change, not extinction.