. It's bacus when lite flashes they could blink
Three
Topical steroids like cortisone should never be used on the eyelids.
Three. one for blinking, one for sleeping, and one for keeping the eye clean and healthy. Owls have three eyelids
4. Two for each eye. They have normal ones like you and I and they have set that come from the bottom of the eye if they are sick or they see an extremely bright light. if the lids from the bottom are always showing, get your cat to the vet right away.Cats have the usual setup of eyelids on each eye (the main one that moves downward and a second that moves upward), plus the 'third eyelid' common to many animals. You may confused with the myth of cats' lives (the number is either seven or nine, depending on where you are).
To fly.
no they dont have eyelids
Canthus
Dogs actually have 3 eyelids.
Crested Geckos do not have eyelids. They rehydrate their eyes by licking them. You can tell if a crested gecko is sleeping by when the little spikes above its eye are slightly angled down.
3 eyelids
Yes, dinosaurs did have eyelids.
Eyelid ptosis surgery can be used to fix droopy eyelids. Levator resection, Muller Muscle resection, and frontalis sling operation are viable forms of treatment for ptosis, which causes droopy eyelids.