Understanding Dry Eye Syndrome: Causes, Symptoms, and Management
Dry Eye Syndrome (DES), also known as keratoconjunctivitis sicca, is a common condition affecting millions of people worldwide. It occurs when the eyes fail to produce enough tears or when the tears evaporate too quickly, leading to discomfort, visual disturbances, and potential damage to the ocular surface. While it can affect anyone, it is particularly prevalent among older adults, people who spend long hours in front of screens, and individuals with certain medical conditions.
The tear film, which coats the eye, is essential for maintaining ocular health. It provides lubrication, supplies nutrients, and protects against infection. When this tear film is disrupted, the eyes can become dry, red, and irritated. Dry Eye Syndrome is often classified into two main types: aqueous-deficient and evaporative. Aqueous-deficient dry eye occurs when the lacrimal glands fail to produce sufficient tears, while evaporative dry eye happens when…