Keratoconus

Side profile image of a woman's eye.

If you find yourself experiencing blurred or distorted vision that seems to get worse year after year, you may suffer from an irregularity of the cornea known as keratoconus. This condition is infamous for causing astigmatism and nearsightedness that can progress rapidly, calling for constant updates to your corrective lens prescription. Fortunately, several treatment options are available to help you cope with keratoconus.

Causes and Symptoms

While medical science has no clear explanation for the cause of keratoconus, the condition occurs more frequently in people who rub their eyes a lot, have worn contacts habitually for many years, or have certain genetic disorders such as Down syndrome. Pregnant women are also known to develop keratoconus, which might indicate that endocrine system imbalances are involved. The condition occurs when corneal tissue grows unusually weak or thin. This allows it to lose its perfectly spherical shape and take on more a cone-like outward bulge. A cornea deformed in this manner cannot refract incoming light in a way that creates an accurate image for the retina.

Keratoconus usually appears between late childhood and the mid-20s, at which point it may progress for many years. The progression is characteristically dramatic, with sufferers having to get new lens prescriptions practically every time they see their eye care provider. Blurred vision is the obvious primary symptom, but in some cases eyesight can also become hazy or cloudy if a rupture at the rear of the cornea occurs. Patients also find that their eyes grow increasingly sensitive to bright light.

Diagnosis and Treatment

The vision problems caused by mild to moderate keratoconus can usually be corrected through such conventional methods as eyeglasses and soft contacts. More stubborn cases may require gas-permeable rigid contacts, scleral lenses, or custom-made silicon hydrogel soft contacts. Some sufferers even "piggyback" a gas permeable lens on top of a hydrogel lens to achieve an optimal balance between vision accuracy and comfort.

Traditional laser surgeries such as LASIK are not usually recommended for keratoconus patients, but other types of structural correction may provide the desired vision correction. Intacs, tiny corneal inserts implanted just below the corneal surface to flatten out the cone-like curve, can be inserted in a minimally invasive surgery. Even the most extreme cases can be treated with a corneal transplant. However mild or severe your keratoconus, your eye care professional can help you understand your treatment options and devise an effective treatment plan.

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Testimonials

  • I have worn contact lenses for years but due to my strong near-sighted prescription with high astigmatism could get neither the comfort nor vision very good in standard gas permeable lenses or in soft lenses. I had reverted back to wearing glasses most of the time until Dr. Krywko recommended the SynergEyes lenses. They work great for me and I can finally wear contacts again! Thank you, Dr. Krywko!

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    Show More - Anna Garity
  • Dr. Candria Kryko is a wonderful OD. I was seen by Dr. Kryko in Scottsdale recently for an eye exam/contact lens fitting. She is extremely pleasant, attentive, and she took her time to give me a thorough exam and answer all of my questions. Dr. Kryko gave me recommendations on contacts and eye drops, as well, she gave me tips on how I can save on some of my contact expenses. She was professional, attentive, took the time to explain what was needed, and was simply nice to be around. I recommend Dr. Kryko. 

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    Show More - Chelsey Kerchansky
  • My entire family have been seeing Dr. Krywko for years. The professionalism, care and focus are over the top. I was told by an optician I would not be a likely candidate for contact lenses. However with Dr. Krywko's patience and wisdom she was able to fit me for contact lenses that work perfectly! I am thrilled..........Plus, I also have the most gorgeous frames (when I do not want to wear my contacts. ) I receive comments every time I wear them, " where did you get your glasses!" Dr. Kryko just received the newest styles......I'm in trouble..........

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    Show More - Trish Nielsen

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