Human tears Tears (tear film) are a transparent fluid secreted primarily by the lacrimal glands (tear gland) found in the eyes of all land mammals. [1] According to the mode of production, tears are …

Jan 10, 2025 · Tears are the clear, salty solution that glands above your eyes produce in response to different triggers. They’re made up of water, salt and more.

Aug 6, 2025 · How Tears Work Tears keep your eyes wet and smooth, and help focus light so you can see clearly. They also protect your eyes from infections and irritating things, like dirt and dust. Every …

Jul 24, 2025 · Located above the eyes in the lacrimal glands, tears come in three kinds: basal, reactive, and emotional, and each type of tear differs in function, chemistry, and type.

Jun 24, 2019 · Your tears are produced by lacrimal glands located above your eyes. Tears spread across the surface of the eye when you blink.

Apr 18, 2023 · 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. Basal tears are in …

May 17, 2024 · Tears are more an emotional response; they are a fundamental part of your eyes' health and function. In this comprehensive guide, we delve into the intricate world of tears, explore their …

Aug 23, 2022 · We cry to protect our eyes, to wash out irritants and because, well, we are moved to tears. “There are three types of tears: basal tears, emotional tears and reflex tears,” explains David …

Jun 4, 2025 · Researchers believe tears are a natural way for our bodies to relieve emotional pain, keep the eyes moist and healthy, and fight infection. Learn the purpose, types, and benefits of tears.

Aug 5, 2025 · Tears are more than just a visible sign of emotion; they are a fluid that maintains eye health. They lubricate the eye’s surface, protect against irritants, and contribute to clear vision. The …