Meanings of silvered eyes in anglès

The surprise in his dark, silvered eyes when her blade connected.

Her silvered eyes glimmered as if full moons hid there.

Her moon- silvered eyes stared up at me, through me, and I saw that one pupil was larger than the other.

Nikita had bent down and looked into that deer's shock- silvered eyes, and Mikhail had watched him reach gentle hands out to stroke the animal's flanks.