Posted by: Bryan B. | August 2, 2011

Is my dry eye due to the environment?


The month of August is Dry Eye Awareness Month at Amcon Labs. We have decided to dedicate the month to exploring causes of dry eye because this condition is so pervasive, yet most people don’t understand it. Over the next couple of weeks in this blog, we are going to explore some causes of dry eye.

In August, one of the main topics of conversation is the heat. Here in Missouri, we have learned to expect temps on average of 86 degrees (F) with around 100% humidity daily. It is not uncommon for us to have 7-14 days straight of excessive heat warnings. Excessive heat will dry out your eyes.  However, ironically so will excessive coldness.

Other than temperature, there are other environmental factors that can cause dry eye.

  • Humidity – Areas with low humidity can exacerbate dry eyes.
  • Wind  –  If you are having a breezy day, the high the chances are that you the wind will blow some dust or a foreign body into your eye which can lead to irritation.
  • Altitude  – The higher your altitude (height from sea level) is the lower the amount of oxygen is in the air.
  • Ozone Pollution –  Many common air pollutants such as smoke, smog, and exhaust fumes can dry out the eyes.

Using the aforementioned criteria (and a few others), compiled a list of “Top Dry Eye Cities”. The top 10 includes the following cities:

  1. Las Vegas, NV
  2. Lubbock, TX
  3. El Paso, TX
  4. Midland/Odessa, TX
  5. Dallas/Fort Worth, TX
  6. Atlanta, GA.
  7. Salt Lake City, UT
  8. Phoenix, AZ
  9. Amarillo, TX
  10. Honolulu, HI

Also included in their list are three cities here in Missouri, #22 Kansas City, #27 St. Louis, and #48 Springfield.

Climate Info –



  1. […] supplied samples of our beloved Viva Drops to all the riders.  Riding for several hours can be very windy and leave your eyes extremely dry.  Hopefully, our Viva Drops came as a welcome relief to all the riders who participated. […]

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