Snakes do not see colors, but their eyes are equipped with a combination of light receptors: rods that provide low-light but fuzzy vision, and cones that produce clear images. The complexity of the eyes varies among species because of their different lifestyles. For instance, snakes that live primarily underground have smaller eyes that only process light and dark, but snakes that live above ground and hunt by sight have crystal-clear vision and good depth perception. Some species, specifically boas and pythons, have a second visual tool: Pit organs on their heads see heat sources in their surroundings like infrared goggles -- an effective ability for nocturnal hunters of warm-blooded animals.
Reptiles such as chameleons and snakes are ugly creatures
that are highly feared by people, especially women, and yet many people may not
have encountered a snake or chameleon in their entire lives. Why should one
fear a creature one has never seen... read more
by Nira Perkins 6 years ago
At what age do your eyes start to go bad or your vision starts to deteriorate?
by TruthDebater 8 years ago
Do or can glasses and contacts make vision worse than without? It seems like they would cause the eyes to become dependent on the glasses or contacts and then worsen. It this completely false? I had horrible vision on an eye exam in '97, but I can still read, drive, and see good enough, not great,...
by tim kenner 14 years ago
Suffering draws us closer to God, God could say the word and all our toubles would go away. It's through struggles that are true self comes into light and we either turn to God and trust in Him or go the other way and get drowned in defeat and discouragement. Why do you think God allows terrible...
by Helen Murphy Howell 12 years ago
Why do so many of us need glasses/contact lenses or whatever? Even although there are billions of humans on this planet, there is still a high proportion of us who need some form of correction for poor eyesight - from a young age and not just when getting older. Do you think that human beings have...
by _cheryl_ 13 years ago
Just curious if any fellow hubbers have dealt with or know of anyone who's had a sudden loss of memory specifically to typing. My Mom, (who's been typing 8hrs. a day for the past 20yrs.) had gone on vacation and returned to work completely unable to type how she use to, having to now look at the...
by Liz Elias 10 years ago
Why does getting the sun or a bright light in your eyes make you sneeze,or stimulate and produce a 'stuck' sneeze?
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