conjunctivitis # pink eye # आंख आना # causes, types, symptoms, treatment, prevention

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Conjunctivitis, also known as pinkeye, is an inflammation of the conjunctiva. The conjunctiva is the thin clear tissue that lies over the white part of the eye and lines the inside of the eyelid.
Children get it a lot. It can be highly contagious (it spreads rapidly in schools and day-care centers), but it’s rarely serious. It's very unlikely to damage your vision, especially if you find it and treat it quickly. When you take care to prevent its spread and do all the things your doctor recommends, pinkeye clears up with no long-term problems.
What Causes Pinkeye?
Several things could be to blame, including:
Viruses, including the kind that causes the common cold
Bacteria
Irritants such as shampoos, dirt, smoke, and pool chlorine
A reaction to eye drops
An allergic reaction to things like pollen, dust, or smoke. Or it could be due to a special type of allergy that affects some people who wear contact lenses.
Fungi, amoebas, and parasites
Conjunctivitis sometimes results from a sexually transmitted disease (STD). Gonorrhea can bring on a rare but dangerous form of bacterial conjunctivitis. It can lead to vision loss if you don’t treat it. Chlamydia can cause conjunctivitis in adults. If you have chlamydia, gonorrhea, or other bacteria in your body when you give birth, you can pass pinkeye to your baby through your birth canal.
Pinkeye caused by some bacteria and viruses can spread easily from person to person, but it isn’t a serious health risk if diagnosed promptly
What Are the Types of Pinkeye?
Viral strains are the most common -- and may be the most contagious -- forms. They tend to start in one eye, where they cause lots of tears and a watery discharge. Within a few days, the other eye gets involved. You might feel a swollen lymph node in front of your ear or under your jawbone.
Bacterial strains usually infect one eye but can show up in both. Your eye will put out a lot of pus and mucus.
Allergic types produce tearing, itching, and redness in both eyes. You might also have an itchy, runny nose.
chemical conjunctivitis
What Are the Symptoms of Pinkeye?
They depend on the cause of the inflammation, but may include:
Redness in the white of the eye or inner eyelid
Swollen conjunctiva
More tears than usual
Thick yellow discharge that crusts over the eyelashes, especially after sleep. It can make your eyelids stick shut when you wake up.
Green or white discharge from the eye
Itchy eyes
Burning eyes
Blurred vision
More sensitive to light
Swollen lymph nodes (often from a viral infection)
When to Call Your Doctor
Make the call if:
There’s a lot of yellow or green discharge from your eye, or if your eyelids are stuck together in the morning
You have severe pain in your eye when you look into a bright light
What’s the Treatment for Pinkeye?
Viruses. This type of pinkeye often results from the viruses that cause a common cold. Just as a cold must run its course, the same is true for this form of pinkeye, which usually lasts from 4 to 7 days. Remember, it can be very contagious, so do everything you can to prevent its spread.
Bacteria. If bacteria, including those related to STDs, caused your pinkeye, you’ll take antibiotics. You may need to apply eye drops or ointments to the inside of your eyelid three to four times a day for 5 to 7 days.
Irritants. For pinkeye caused by an irritating substance, use water to wash the substance from the eye for 5 minutes.
What Can I Do to Relieve Symptoms of Pinkeye?
A lot of it comes down to cleanliness.
Wash your hands often with soap and warm water, especially before eating.
Keep your eyes clean. Wash any discharge from your eyes several times a day using a fresh cotton ball or paper towel. Afterward, discard the cotton ball or paper towel and wash your hands with soap and warm water.
Wash or change your pillowcase every day until the infection goes away. When you do the laundry, clean your bed linens, pillowcases, and towels in hot water and detergent. Keep your own towels, washcloths, and pillows separate from others, or use paper towels.
Don’t touch or rub your infected eye with your fingers. Use tissues to wipe.
Don’t wear, and never share, eye makeup, eye drops, or contact lenses. Wear glasses until your eye heals. And throw away disposable lenses, or be sure to clean extended-wear lenses and all eyewear cases.
Use a warm compress, such as a washcloth soaked in warm water. Put it on your eye for a few minutes, three to four times a day. This eases the pain and helps break up some of the crust that may form on your eyelashes.
Limit eye drops. Don’t use them for more than a few days unless your eye doctor tells you to. It could make the redness worse.
Don’t put a patch over your eye. It may worsen the infection.
Protect your eyes from dirt and other things that irritate them.
Nonprescription "artificial tears," a type of eye drops, may help ease itching and burning from the irritating things that cause your pinkeye