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A punctal plug, also known as tear duct plug or lacrimal plug, is a small medical device that is inserted into the tear duct (puncta) of an eye to block the duct. This prevents the drainage of liquid from the eye. They are used to treat dry eye. Artificial tears are usually still required after punctal plug insertion. [1]
Nasolacrimal duct probing may be performed in the office setting (usually from 4 to 8 months of age) or under general anesthesia in an operating room for older patients. The success rate of probing is higher for younger children. A silastic tube or stent may be employed along with probing to maintain tear duct patency. [6]
Patients who use artificial tears more frequently than four to six times a day should choose a brand without preservatives or one with non-irritating preservatives. [10] Thicker artificial tears that come in the form of gel or ointments may be used in more severe cases as they last longer, although they may temporarily blur vision. [1]
EzriCare Artificial Tears Lubricant Eye Drops: According to the CDC, this product was implicated as a common factor in 37 of the 68 logged cases so far. Potentially tainted eye drops can be ...
For example, you could take an over-the-counter antihistamine if your swelling is related to allergies, Dr. Davis says. Or, you should avoid anything—food, medication, or grooming products ...
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Tears are produced by the lacrimal gland, situated just outside the eye. Blinking the eyelids distributes the tears to keep the eyes moist, clean and lubricated. Excess tears are drained via the punctum through the tiny channels called canaliculi located on the inner side of the eyes into the tear sac, from there to the tear duct, the nose and finally down the throat.
There is a wide variety of artificial tear eye drops that provide different surface healing strategies. One can find bicarbonate ions, hypotonicity, high viscosity gels and ointments, and non-preserved types. They all act differently and therefore, one may have to try different artificial tears to find the one that works the best. [3]