The conjunctiva is a thin membrane in the eye. It covers the white of the eye and the inside of the eyelid. A very small object, such as an eyelash or dirt, can become trapped under the eyelid. This is called a conjunctival foreign body. This can be very irritating to the eye, no matter how small the object is. If the exam shows that you no longer have a particle in your eye, any discomfort should go away within the next 24 hours.
Home care
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Put a cool compress on the eye that hurts. A cool compress is a towel soaked in cool water. Do this 3 to 4 times a day. It will help ease redness and swelling. Don't apply ice directly on the eye.
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You can use artificial tears to ease irritation and redness, unless another medicine was prescribed. You can buy artificial tears without a prescription at a drugstore.
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You can use over-the-counter pain medicine, such as acetaminophen or ibuprofen, to control pain, unless another pain medicine was prescribed. Talk with your health care provider before using these medicines if you have chronic liver or kidney disease, or if you ever had a stomach ulcer or digestive bleeding.
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If the foreign body causes a scratch on your cornea, the provider will likely prescribe an antibiotic eye drop.
Follow-up care
Follow up with your health care provider as advised.
When to get medical advice
Contact your health care provider right away if you have:
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Increased swelling of the eyelid.
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Increased pain or redness in the eye.
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Fluid leaking from the eye.
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Redness in the skin around the eye.
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Pain in the eye that doesn't go away after 1 day, if you have not been diagnosed with an abrasion.
