almost invisible to the naked eye

Naked-eye

Naked-eye detection

naked-eye observation

naked-eye variable star

with the naked eye

an eye for an eye

an eye for an eye and a tooth for a tooth

eye and eye turnbuckle

eye relief (=eye-point distance)

eye relief，eye distance

eye to eye contact

eyetoeye contact

a half-naked Mr Ho

as naked as when one was born

cultivated naked barley

dry-naked shrimp

Forage green naked oat

Green naked oat