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Learn about the different types of tears (basal, reflex, and emotional) and their functions (lubrication, protection, and stress regulation). Find out how tears are secreted, drained, and composed of various substances.
Apr 18, 2023 · Learn about the different types, functions and layers of tears, and how they are produced and drained by your eyes. Find out how aging, hormones, contact lenses and medications can affect your tear production and cause dry eye.
Jul 16, 2019 · Learn how tears keep your eyes wet, smooth, and healthy, and how they help you see clearly. Find out what tears are made of and what happens when you have dry eye.
- Basal Tears
- Irritant Tears
- Psychic Or Emotional Tears
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These are your basic tears. Your eyes roll around in them all day. They contain oil, mucus, water and salt, and help fight infection. The oil keeps your tears in place and prevents them from evaporating into the atmosphere. Blinking spreads them evenly over the surface of your eye. These tears can improve your vision and sharpen your focus.
These are your eyewash tears. The glands under your eyebrows push them out when you peel an onion, vomit or get dust in your eye. They flush out the material that’s irritating your eyes. These are the kind of tears that stream down your face when your allergies are kicking into high gear.
These tears gush in response to strong emotions like sadness, grief, joy or rage. They have the same chemical makeup as basal tears, but contain more stress hormones and natural painkillers. Humans and animals have compounds in our body fluids that give off subtle messages to other members of the species. That’s why sometimes our tears can relay ch...
Learn about the different types of tears, what they do for your eyes and why you cry. Find out how to deal with too much or too little crying and when to see a doctor.
- The Composition of Basal Tears and Role in Eye Health. Tears play an important role in keeping us healthy. Tears keep the surface of our eyeballs clean and moist and help protect our eyes from damage.
- Reflex Tears From Irritants. When your eye is irritated, it produces reflex tears to wash out the irritants. You've probably shed a few tears when chopping onions or when you get dust in your eyes.
- Emotional Tears. The tears you shed when overcome with emotions have a higher protein content than the tears shed from irritants. Emotional tears have been found to have more hormones, including prolactin, adrenocorticotropic hormone, and leucine enkephalin.
- Tears When You Sleep. When you sleep, your glands add less water and protein to your tears, and they increase the number of antibodies present, while infection-fighting cells also migrate to the conjunctival sac.
Feb 22, 2024 · Learn about the different types of tears, their functions, compositions, and how they affect vision and eye health. Find out what to do if you have dry eye and how to prevent or treat it.
Jun 24, 2019 · Learn about the different types of tears, what they are made of, and why they happen. Find out how tears protect your eyes, communicate your emotions, and affect your health and others.
