Red or Bloodshot
Tiny blood vessels in your eye may expand or burst when they get irritated or infected. It's pretty common and often goes away without treatment. An injury, glaucoma, and cuts, scratches, and sores on your cornea could be more serious. Check with your eye doctor if your eye hurts or doesn't improve in a day or two, or if you have trouble seeing.
Burning or Stinging
It's often a sign of tired or irritated eyes, possibly from hay fever, dust, or smoke. It may also be a sign of blepharitis, a buildup of bacteria that causes dandruff-like flakes on your eyelids, or dry eye, when your eyes don't make good-quality tears or enough of them. A more serious issue is an inflamed cornea, also known as keratitis.
When tears and oils dry, they can leave a sticky crust on your lids or lashes. A small amount when you wake up is normal, but you may need to see a doctor if you have more than usual, it's yellow or greenish, or you have other symptoms, too. Pinkeye is contagious. Blocked tear ducts can lead to the buildup of tears and fluids on your eyes. Blepharitis can cause problems with your oil glands.
Dry or Itchy
Irritated eyes are often caused by allergies, medications, wearing contact lenses, aging, diseases like arthritis, and eyestrain from computer use. Eye drops may help. Look for ones that moisturize. Don't use drops for redness. Another way to get relief is to put a cold compress on your eyes. You should never rub an itchy eye. If it won't go away, see a doctor who can help you treat the cause, not just the symptom.
It's often easy to figure out what's causing this -- from allergies, pinkeye, or another infection or inflammation to bumps on your eyelids, sores on your cornea, or a black eye. In rare cases, it may be thyroid problems. Often the swelling goes away on its own. If it lasts longer than 24 hours or if you have trouble with your vision, call your doctor right away.
Tears are a good thing. They keep your eyes moist, and they help wash out things that don't belong. When you have watery eyes, that means either your tears are working overtime or they can't drain away normally. It may be something that will clear up, or it could be an infection, a cut or scrape, or blocked tear ducts. You should definitely see a doctor if your eyes hurt, you have trouble seeing, or it feels like something's in your eye.
Blinking is how you spread tears across your eyes. Small, unintended movements of the eyelid are common and may stop when you get more rest or cut back on caffeine. You'll want to call your eye doctor when your eyelids are closing for no reason (blepharospasm), which may last for hours, or one side of your face goes tight (hemifacial spasm), often starting near the eye.
It may be tempting, but never pop one yourself. Styes are red, painful lumps on your lashes or under your lid. They're caused by bacteria. A chalazion is a usually painless swollen bump on your eyelid from a clogged oil gland.
Soak a clean washcloth in warm water, then hold it on your eye for about 10 to 15 minutes, three to five times daily. If that doesn't help, see your doctor.
'Something' in Your Eye
Don't rub! If your eyes aren't watering already, blinking more or using artificial tears may help flush out an eyelash or speck of dust. Tears will also ease the sliding of your eyelid over your eye in case something is inflamed. A warm washcloth on your eyes could be soothing, too. See an eye doctor if the feeling doesn't get better within hours. It could be an infection, a scratched cornea, or something else you'll need help with.
If the whites of your eyes look yellow instead, it's a good sign you have jaundice. This liver disease can be the result of hepatitis, alcohol abuse, gallstones, and rarely cancer. See a doctor right away.
Yellow spots in your eyes are more likely to be growths called pinguecula (protein, fat, or calcium) or pterygium (fleshy tissue). You don't usually need to get treatment for these unless they bother you or interfere with your vision.
For most people, the dark spot in the center of your eye grows or shrinks to control how much light enters the eye. But sometimes it appears to be stuck wide open (mydriasis) or small (miosis). Or both eyes may not be the same size. These effects could be for many reasons including nerve damage, migraines, medications, or eye surgery. Your doctor can help you figure out if it's a serious issue or harmless.
Crossed or Turned Eyes
When your eyes don't point in the same direction, they send different images to the brain, which learns to ignore information from the weaker or "lazy" eye. Strabismus, or misaligned eyes, affects 1 in 25 children. Sometimes glasses will straighten out the eyes and help them work together, though surgery may be needed to correct the unbalanced eye muscles.
Most of the time, an eyelid that has fallen over time and hangs so low it blocks some of your sight can be fixed with cosmetic surgery. When it shows up fairly quickly, it could be a sign of a stroke, brain tumor, muscle disease, or nerve problems. If your droop appears within hours or days, call your doctor right away.
Eye Health: What Your Eye Symptoms May Mean
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