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Tears Facts About Tears

Contact lenses and certain medications can also cause dry eye. If you have dry eye, you may also be prone to blepharitis...
21/10/2022

Contact lenses and certain medications can also cause dry eye. If you have dry eye, you may also be prone to blepharitis, a common cause of irritation or swelling of the eyelids. In addition to seeing an ophthalmologist, there are many simple things you can do at home to keep your eyes moist.

You’ll Make Fewer Tears as You Get OlderBasal tear production slows with age, and this can lead to the development of dr...
21/10/2022

You’ll Make Fewer Tears as You Get Older
Basal tear production slows with age, and this can lead to the development of dry eye. Dry eye is a common problem for people undergoing hormonal changes, especially women during pregnancy and menopause.

When a lot of emotional or reflex tears are made, they overwhelm the lacrimal drainage system. That’s why these tears ca...
21/10/2022

When a lot of emotional or reflex tears are made, they overwhelm the lacrimal drainage system. That’s why these tears can spill out of your eyes, run down your cheeks and sometimes dribble out of your nose.

Sometimes babies are born with a blocked tear duct, a condition that usually resolves on its own. An eye infection, swel...
21/10/2022

Sometimes babies are born with a blocked tear duct, a condition that usually resolves on its own. An eye infection, swelling, injury or a tumor can cause a blocked tear duct in adults.

How Your Body Makes TearsLacrimal glands above each eye produce your tears. As you blink, tears spread across the surfac...
21/10/2022

How Your Body Makes Tears
Lacrimal glands above each eye produce your tears. As you blink, tears spread across the surface of the eye. Then the tears drain into puncta, tiny holes in the corners of your upper and lower eyelids. Your tears then travel through small canals in the lids and down a duct before emptying into your nose. There, tears will either evaporate or be reabsorbed.

Emotional tears are produced in response to joy, sadness, fear and other emotional states. Some scientists have proposed...
20/10/2022

Emotional tears are produced in response to joy, sadness, fear and other emotional states. Some scientists have proposed that emotional tears contain additional hormones and proteins not present in basal or reflex tears.

Reflex tears are formed when your eyes need to wash away harmful irritants, such as smoke, foreign bodies or onion fumes...
20/10/2022

Reflex tears are formed when your eyes need to wash away harmful irritants, such as smoke, foreign bodies or onion fumes. Your eyes release them in larger amounts than basal tears, and they may contain more antibodies to help fight bacteria.

Basal tears are in your eyes all the time to lubricate, nourish and protect your cornea. Basal tears act as a constant s...
20/10/2022

Basal tears are in your eyes all the time to lubricate, nourish and protect your cornea. Basal tears act as a constant shield between the eye and the rest of the world, keeping dirt and debris away.

You Have More Than One Type of TearTears are essential to help you see clearly and maintain the health of your eyes. The...
20/10/2022

You Have More Than One Type of Tear
Tears are essential to help you see clearly and maintain the health of your eyes. They can also help communicate your emotions. Your body makes three types of tears.

A happy ending to a story, a sad break-up, an onion chopped into pieces—they all can trigger your tears.Tears serve many...
20/10/2022

A happy ending to a story, a sad break-up, an onion chopped into pieces—they all can trigger your tears.

Tears serve many purposes, and your eyes produce them all the time. In fact, you make 15 to 30 gallons of tears each year.

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