Tag Archives: WHY DO WE BLINK OUR EYES?

245.WHY DO WE BLINK OUR EYES?

When we drive a motor-vehicle in bad weather, it is very important to have the windscreen wiper working efficiently. Yet the best windscreen wiper ever made for any car can’t compare with the “windscreen wiper” nature has given us for our eyes!

The lids of our eyes, which move up and down when we blink, are our built-in windscreen wipers. The lids are made up of folds of skin, and they can be raised and lowered by certain muscles. But they move so rapidly that they don’t disturb our vision in any way.