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Keratoconus Articles

Contact Lens Options for Keratoconus

Author:  Dr. Anderson, OD, FAAO

Keratoconus is a bilateral, progressive corneal thinning disorder which manifests as irregular, asymmetric astigmatism. Symptoms include blurred, subacute distorted vision which is usually more pronounced in one eye than the other. Refraction is often difficult and patients may not be adequately corrected with spectacles. Contact lenses are the best form of visual correction in most cases of clinically significant keratoconus. There are many different types of contact lenses available for keratoconus.

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Keratoconus Treatment Options

By Dr. Brandon Ayres, MD

Keratoconus causes progressive thinning and distortion of the cornea that affects approximately 1 in every 2000 people.  It tends to affect younger people sometimes starting in the early teen years and progresses most rapidly through the fourth decade.  As the dystrophy progresses the cornea takes on an irregular cone like shape and may develop scar tissue.  The changes in the cornea seen in keratoconus lead to “irregular astigmatism.”  

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I’ve Just Been Diagnosed With Keratoconus

By: David Kading, OD, FCLSA, FAAO

If you have just been diagnosed with keratoconus, let me first of all reassure you that there have been many recent advancements in the realm of keratoconus to equip eye care professionals with the proper tools to help you.

Keratoconus is a vision disorder that affects the front surface (cornea) of the eye.  The changes that take place occur because the cornea becomes thinner in certain areas. 

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Keratoconus Causes and Treatment Options

By: Clark Chang, OD, MS, FAAO

Keratoconus Causes

Keratoconus is a non-inflammatory, progressive corneal condition associated with corneal thinning, weakening, and steepening, resulting in corneal optical irregularities (cone shape) and poor vision. An incidence rate of 1:2000 has been reported with no known sexual or ethnic predilection. In addition, familial inheritance has been reported in 6-24% of cases and co-morbidities such as atopic disease and connective tissue diseases have also been reported in the literature.

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An Introduction to Keratoconus

Keratoconus in an eye disease that is characterized by thinning and steepening of the cornea. The cornea is the front surface of the eye and the most important focusing element of the vision system. In patients who have keratoconus their cornea is cone shaped. The name keratoconus is derived from the Greek word for cornea (‘kerato’) and cone shaped (‘conus’). Keratoconus results in visual distortion often not correctable by traditional glasses. The thinning and steepening of the cornea causes the front surface to become progressively more irregular in shape.

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How is Keratoconus Diagnosed?

The initial symptoms of keratoconus include frequent and significant changes in a patient’s eyeglass prescription, especially in the amount of astigmatism. This is often followed by progressive vision problems such as halos, glare symptoms, ghost images, double and multiple images perceived by each eye individually, and by numerous attempts at obtaining a good glasses prescription without success.

Early diagnosis is very important in the management of keratoconus. New advanced technologies allow eye doctors to detect and treat the condition very successfully.

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