By covering the eyeball.
To lubricate and protect your eyes.
they have leathery eyelids to protect their eyes from the harsh sand storms.
No, snakes do not have eyelids. Instead, they have a transparent scale over their eyes called a spectacle, which helps protect their eyes.
to protect their eyes from the blowing sand
No, snakes do not have eyelids. Instead, they have eye caps to protect their eyes. That's why their eyes are always open, even when they sleep.
Lizards that do not have eyelids include geckos and snakes. Instead of blinking or closing their eyes with eyelids, they have a transparent membrane called a spectacle that helps protect and moisturize their eyes.
Snakes do not have eyelids like humans do. Instead, they have a transparent scale over their eyes called a spectacle. This spectacle helps protect their eyes from dust and debris while allowing them to see clearly.
Your eyes can protect you by alerting you to living and nonliving threats. The eyes are also protected from harm by one's eyelids and tears through the tear ducts.
Your eyes can protect you by alerting you to living and nonliving threats. The eyes are also protected from harm by one's eyelids and tears through the tear ducts.
A magical wizard lives in their eyelids
A human eyelid is not transparent of course. But some animals like snakes have permanently sealed transparent eyelids which protect their eyes from foreign materials. Frogs also have transparent eyelids to protect its eyes while swimming in water.
Catfish do not have eyelids; instead, they have a protective membrane that covers their eyes. Sharks also lack eyelids but possess a nictitating membrane that helps protect their eyes while hunting. In contrast, salmon do have eyelids, although they are not as prominent as those of mammals.