The Smudged Contact Lens

smudged-contact-lens
The contact lens rests on the cornea (see anatomy of the eye)

Blurred vision due to smudge on the contact lens?

There are many causes of blurred vision.  Sometimes, the eye doctor needs to update the power of the contact lens.  At other times, there may be an eye disorder that requires diagnosis and treatment by an ophthalmologist.  However, a smudged contact lens may be the problem.  To find out, remove and inspect the contact lens for a smudge.  

What are the causes of a smudge on the contact lens?

Many things may cause a smudge on the contact lens.  A factory defect is rare and the contact lens specialist usually detects damaged lenses prior to dispensing.  Makeup, creams, oils, or moisturizers on your fingers may cause the contact lens to be smudged.  A moisturizer in your hand soap may cause blurred vision by smudging the lens.  

What can be done to prevent smudges on the contact lens?

Proper contact lens maintenance and hygiene is important.  Follow all instructions given by your contact lens provider to the letter.  Make sure to wash your hands with hand detergent without moisturizers prior to inserting your contact lenses.  This is very important to keep your lenses clear and free of germs that can cause serious infection.

How do you remove a smudge from a contact lens?

The management of a smudged contact lens depends, in part, on the type of contact lens you wear.  If you use daily-wear contact lenses, it may be best to dispose of the smudged contact lens and replace it with a new lens.  When wearing lenses made to wear for longer than a day, carefully clean them daily by following the manufacturer’s recommendations. 

Rigid gas-permeable lenses are made for long-term use.  If they become smudged, gently rinse them with conditioning solution or a cleaning solution.  If this fails, an enzymatic cleaner may help.  Follow all instructions on the contact lens product recommended by your doctor.  Professional polishing is available by your contact lens provider.    

Where do I go for urgent care? 

If you have pain while wearing your contact, remove it immediately. If your eye remains blurred after you remove the contact lens, you may have a damaged cornea.  Make a prompt appointment with your eye doctor.  If you have pain or persistent foreign-body sensation (a feeling like sand in the eye), notify your eye doctor without delay.  If you are unable to contact your eye doctor and there is significant pain and/or loss of vision, report to the hospital emergency department urgently. 

By Scott E. Pautler, MD

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