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.
Lubricants: Medications that keep eyes moist, mimicking natural tears.
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.
You should always wear sunglasses when you are outside on sunny days. Also, keeping your eyes moist if you have trouble with dry eyes will help keep your eyes as healthy as they can be.
To protect it from objects and to coat the eyeball to keep it moist.
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.
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.
Snakes cannot close their eyes - they have no eyelids.
No, snakes do not have eyes on their tail. Snakes see by flicking their tongue "to taste the air".
No, but they shouldn't be too try