noun
ADJECTIVE
▪ excellent , good , keen
▪
Sharks have excellent ~.
▪ bad , failing , poor
▪
Failing ~ finally forced her into an old people's home.
VERB + EYESIGHT
▪ have
▪
Owls have good ~.
▪ lose
▪
She has started to lose her ~.
EYESIGHT + VERB
▪ deteriorate , fail