When doctors
talk about dry eyes as a source of pain, perhaps that's a light term. Dry
eyes aren't exactly the most painful thing in the world, but if they get dry
enough, if they get irritated enough, people will actually pull at them,
they'll rub them, and then they can have even more problems because the dryness
causes what physicians call a scratched cornea. When the corneal area
gets scratched, it's one of the most sensitive parts of the body. As a
result, that pain that can occur can be excruciating. Fortunately, it
only lasts about 24 hours. The cornea heals relatively rapidly.
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