Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Biodistribution & persistence
Topical ocular dosing: highest levels in tears, meibomian glands, cornea, conjunctiva and lacrimal glands
“Following the repeated topical ocular dose of 14C-perfluorohexyloctane, rank order of highest mean concentrations (>5000 ng equivalents 14C-F6H8/g) was: tears > meibomian glands > cornea > palpebral conjunctiva > accessory lacrimal gland > main lacrimal gland > bulbar conjunctiva.”
✓ VerifiedFDA pharmacology/toxicology review, p. 15Source ↗
Modality-specific risk
Embryofetal toxicity: rabbit abortions, maternal toxicity and possible malformations at all doses
“Although the findings were within the range of Testing Facility’s HCD (when verified individually), considering the mid and high dose groups have significant increased incidences of these findings (when taken together) compared with the concurrent control group, this reviewer can’t totally exclude the potential test article-related effect”
✓ VerifiedFDA pharmacology/toxicology review, p. 22Source ↗