Dry Eye

Dry Eye Treatment Ada OK | Pontotoc County | Sulphur | Atoka

What is dry eye?

Our eyes need tears to stay healthy and comfortable. If your eyes do not produce enough tears, it is called dry eye. Dry eye is also when your eyes do not produce the right type of tears.

How do tears work?

When you blink, a film of tears spreads over the eye. This keeps the eye’s surface smooth and clear. The tear film is important for good vision. The tear film is made of three layers:

  • An oily layer
  • A watery layer
  • A mucus layer

Each layer of the tear serves a purpose. The oily layer is the outside of the tear film. It makes the tear surface smooth and keeps tears from evaporating too quickly. This layer is made in the eye’s meibomian glands. The watery layer is the middle of the tear film. It makes up most of what we see as tears. This layer cleans the eye, washing away particles that do not belong in the eye. This layer comes from the lacrimal glands in the eyelids.

The mucus layer is the inner layer of the tear film. This helps spread the watery layer over the eye’s surface, keeping it moist. Without mucus, tears would not stick to the eye. Mucus is made in the conjunctiva. This is the clear tissue covering the white of your eye and inside your eyelids. Normally, our eyes constantly make tears to stay moist. If our eyes are irritated, or we cry, our eyes make a lot of tears. But, sometimes the eyes don’t make enough tears or something affects one or more layers of the tear film. In those cases, we end up with dry eyes.

What are the symptoms of dry eye?

Here are some of the symptoms of dry eye.

  • You feel like your eyes are stinging and burning
  • There is a scratchy or gritty feeling like something is in your eye
  • There are strings of mucus or pus in or around your eyes
  • Your eyes are red or irritated. This is especially true when you are in the wind or near cigarette smoke
  • It is painful to wear contact lenses
  • You have lots of tears in your eyes

Having a lot of tears in your eyes with “dry eye” might sound odd. But, your eyes produce more tears in response to the irritation of dry eye.

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