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Title: Good for their intended purpose
Review: These drops are good for their intended purpose--reducing corneal edema. Typically I have to use these in the mornings to improve my vision after sleeping. The only reason I didn't give them a "5" is because they burn, but that's because of the salt content--and that's exactly why the product works. But, still, it would be nice if the burn could be avoided. However, the short period of discomfort is worth the improved vision.
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