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Eye drops are saline-containing drops used as a vector to administer medication in the eye. Depending on the condition being treated, they may contain steroids (e.g. dexamethasone), antihistamines, sympathomimetics, beta receptor blockers, parasympathomimetics (e.g. pilocarpine), parasympatholytics (e.g. tropicamide or atropine), prostaglandins, non-steroidal anti-inflammatory drugs (NSAIDs) or topical anesthetics. Eye drops sometimes do not have medications in them and are only lubricating and tear-replacing solutions.
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