Eye drops often provide quick relief to those suffering from minor eye problems such as redness, itching and dryness, but doctors have found that such dollops of medicine do not work very well for more serious conditions such as glaucoma, chronic dry-eye and corneal ulcers. Help may be on the way for those suffering from these or other ocular ailments in the form of a contact lens that sandwiches medicine between two layers of polymer film and administers large doses of medication at constant rates over extended periods. [More]

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Original post by Scientific American Topic - Exercise and Fitness