Wearing contact lenses can be a convenient and effective way to correct vision. However, when contact lenses don’t fit properly, they can cause more harm than good. One of the most common issues patients experience with ill-fitting lenses is persistent eye strain, often accompanied by headaches.
 

What Happens When Contact Lenses Don’t Fit Properly?

Each person’s eyes are unique in shape and size. Contact lenses must be prescribed and fitted precisely to your eye’s curvature and diameter. If the lens is too tight, too loose, or the wrong shape, it can lead to several problems:

• Lens Movement Issues: Lenses that move excessively or don’t move enough can interfere with your vision.

• Reduced Oxygen Flow: Poor fit may limit oxygen delivery to your cornea, leading to discomfort and dryness.

• Uneven Vision Correction: A poorly positioned lens won’t provide the clear, consistent vision you're expecting.
   

These issues can force your eyes to work harder than they should, which is where eye strain begins.
 

The Link Between Eye Strain and Headaches

Eye strain occurs when your eyes are overworked or stressed. With an incorrect contact lens fit, your eyes are constantly trying to adjust to distorted or unstable vision. Over time, this can cause:

• Tension in the Eye Muscles

• Difficulty Focusing

• Blurry or Fluctuating Vision
   

These visual challenges often lead to tension headaches, particularly around the forehead, temples, or behind the eyes. If you find yourself squinting or struggling to focus while wearing your lenses, it's a strong indicator that your fit should be re-evaluated.
 

Signs You May Have an Improper Contact Lens Fit

If you’re unsure whether your lenses are the issue, here are some signs to watch for:

• Frequent eye strain or headaches after wearing contacts

• Redness or irritation that doesn’t go away

• A sensation that your lenses are “moving” too much

• Blurry vision that comes and goes

• Dry, uncomfortable eyes despite using rewetting drops
   

What You Can Do About It

The best way to prevent discomfort from contact lens fit is to have a contact lens exam and fitting. Your optometrist will take precise measurements of your eyes and evaluate how the lenses interact with your tear film, cornea, and blinking patterns. Follow-up appointments are just as important to ensure the lenses continue to fit properly over time, especially if you notice changes in vision or comfort.
 

Ready to Experience Better Comfort and Vision?

Wearing contact lenses should enhance your vision, not cause discomfort. When lenses don’t fit properly, the resulting strain on your eyes can lead to fatigue, blurred vision, and headaches. Prioritizing the right fit is key to maintaining both your visual clarity and overall eye health.
 

If you’re experiencing eye strain or headaches while wearing contacts, it may be time for a proper lens fitting. Contact Optometry Medical Group to schedule a contact lens exam and experience the difference the right fit can make. Visit our offices in Seattle, Washington, call (206) 322-6915 for our Rainier office, or call (206) 395-2285 for our Madison office.