Most people have eye problems at one time or another. Some are minor and will go away on their own, or are easy to treat at home. Others need a specialist’s care.
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Often confused with each other, these two central nervous system disorders have some of the same symptoms. They affect your spinal cord and optic nerves but are treated differently.
Take a peek at the evolution of spectacles, from early evidence of concave lenses to modern glasses designed for digital eye strain.