Avoiding environmental causes can be helpful in prevention of dry eye.

  • Use a humidifier to add moisture to the air during dry winter months With more moisture in the air, tears evaporate more slowly, keeping the eyes more comfortable.
  • Avoid air blowing in your eyes. Don’t direct hair dryers, car heaters, car air vents, air conditioners or fans toward your eyes. Excessive air movement dries out the eyes. Avoid having excessive air movement by decreasing the speed of ceiling fans and/or oscillating fans.
  • Wear glasses in windy outdoor conditions
    Wearing glasses or sunglasses that fit close to the face (wrap around shades) or that have side shields can help slow tear evaporation from the eye surfaces. Safety shields can be added to the tops and sides of eyeglasses to block wind and dry air.

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