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artificial tears |
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artificial tears, a pharmaceutical preparation of various polymers that can be instilled in the eyes of patients suffering from dry eye or keratoconjunctivitis sicca. artificial tears A solution containing 0.5% carboxymethyl cellulose or 5% polyvinyl alcohol, used to treat dry eye–xerophthalmia, often associated with Sjögren syndrome, which may also be due to sarcoidosis, senile lacrimal gland
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Until recently, there were just two treatments for dry eyes: over-the-counter artificial tear eye drops designed to replace your natural tears, or a non-surgical procedure called punctal plugs in which tiny bits of silicon are inserted into the openings on the lower and upper lids where tears drain into the nose. Passive closure of the eyelid by the nurses (as has previously been discussed) was significantly less effective at preventing corneal abrasions than artificial tear ointment (Duratears). The animal experiments led to the proposed treatment for a disorder that until now has only been temporarily helped with artificial tears, goggles to keep out sun and air, and plugs to prevent tears from draining. |
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