They don't need to. The eyes are covered by a clear protective 'lens' - called the 'brille' which prevents dust etc getting to the actual eyeball.
Snakes have no eyelids, and so they appear to sleep with their eyes open. In that sense, no, snakes eyes do not "look different" when they're sleeping.In the place of moving lids, snakes' eyes are protected by transparent layer of scales called spectacles which help both protect the eyes and keep them moist - just as eyelids do for other animals.
Snakes do not have eyelids because they have evolved to have a protective layer called a spectacle or brille over their eyes. This clear scale helps keep their eyes moist and protected without the need for traditional eyelids.
Snakes do not have eyelids like mammals, so they cannot physically close their eyes. Instead, their eyes are protected by a transparent scale called a spectacle, which covers and lubricates the eye to keep it moist and prevent damage.
To keep your eyes from drying out. Dry eyes can cause your eyes to be bloodshot!!!!
To keep your eyes moist so that you can see :)
The Tokay gecko species, has no eyelids. Because of this, the eyeball must consistently be licked, to keep moistened and improve vision.
To protect it from objects and to coat the eyeball to keep it moist.
Artificial tears are a common class of medications used to keep the eyes moist. These eye drops mimic the composition of natural tears to help alleviate symptoms of dry eye. Various formulations are available over the counter or with a prescription.
When cats are sleeping, their eyes roll back because it helps protect their eyes and keep them moist. This is a natural reflex that helps keep their eyes healthy while they rest.
yes! because if you pregnant and you at the zoo near the snakes then they will not keep their big eyes off you. so yes snakes are attracted to pregnant.
No, blinking of eyes is a periodic change because it occurs at regular intervals to keep the eyes moist and protect them from debris.
snakes eyes are always open, they do have an inner membrain though that keeps their eyes lubricated They don't have eyelids,but they do have an ocular scale called a brille . This brille offers some of the functions of the eyelid by keeping the eye moist and free of dust. It is shed with the skin when the snakes is molting.