Dry eye is a common condition that occurs when the eyes do not produce enough tears or when the tears evaporate too quickly. This can lead to discomfort and irritation. People with dry eye may experience a sensation of grittiness, burning, or itching in their eyes. In some cases, dry eye can also cause blurred vision and increased sensitivity to light.
This condition is important for health because tears play a crucial role in maintaining eye health. Adequate tear production keeps the eyes lubricated, helps protect against infections, and provides clear vision. When the eyes do not have enough moisture, it can lead to more serious issues, such as damage to the surface of the eye or inflammation.
Tears are made up of water, oils, and proteins, and their main function is to keep the surface of the eye moist and nourished. They wash away foreign particles and provide a smooth surface for light to enter the eye. A healthy tear film is essential for good vision and overall eye comfort.
It is important to recognize dry eye as it can affect daily activities and quality of life. While it is common, especially in older adults, understanding this condition can lead to better management and care for eye health.