Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
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Tests and diagnosis
Eye exam — Overview covers definition, what to expect and results of vision testing.
Treatments and drugs
Thinking about trying contact lenses? Here's an overview of the basic choices — plus tips to keep you seeing clearly.
LASIK eye surgery — Overview covers definition, risks, what to expect from vision correction surgery.
Oct. 17, 2014
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