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Contact Lens Complications: How Contact Lenses can Damage Your Eyes?

Wang Vision Cataract and LASIK Center, Nashville, Tennessee

Corneal neovascularisation is the ingrowth of abnormal blood vessel into the cornea from the limbus (junction of cornea and eye-white).The cornea normally has no blood vessels. Contact lens wear slightly reduce the oxygen deliver to the cornea, when lens wear is prolonged for days at a time or a lens that significantly limit the oxygen supply to the cornea, the cornea responds to this chronic oxygen deprivation by growing new abnormal blood vessels. These blood vessels can cause permanent vision loss.

Corneal neovascularisation

Corneal edema (swelling), like neovascularisation, related to insufficient oxygen to the cornea. There are often no symptoms. In some cases, wearer may experience hazy vision, haloes around lights and pain upon removal of the lenses. Allowing the condition to continue can cause breaks on the corneal surface and lead to corneal infection and permanent scarring of the cornea.

Corneal ulcer is the most devastating contact lens complication. The responsible micro-organisms to this complication may be bacteria, fungi or parasitic amoeba. Symptoms include acute eye pain, foreign body sensation, and eye discharge. Delay in treatment of this condition can lead to corneal scarring, permanent vision loss or corneal perforation in extreme cases.

Corneal ulcer

 

If you are intereted in learning more about contact lens eye care, please contact Wang Vision Institute, Nashville, TN. Call us (615)321-8881 or email us.

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Dr. Ming Wang, Eye Surgeon, provides laser vision correction, LASIK, cataract and many advanced eye surgeries to patients in the Nashville, TN area and all over the U.S. and world. Dr. Wang's celebrity LASIK patients:  Dolly Parton, Charlei Daniels, Kenny Chesney, 3 Doors Down, Naomi Judd, and more...

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