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Keratoconus Graphics
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Keratoconus Graphics
Comprehensive Information, Resources, and Support on Keratoconus
Image depicting what happens in keratoconus
Cornea is a highly organized tissue with no blood vessels. The cornea receives its nourishment from tears and the aqueous humor. Some of the most common problems associated with cornea are keratoconus, Fuchs’ dystrophy, lattice dystrophy, etc. Keratoconus is a progressive eye disease which leads to weakening or thinning of cornea and results in bulging into a cone-like shape. Due to this cone shape, when light enters the eye, deflection occurs which leads to distorted vision. Severe keratoconus leads to severe scarring.
Keratoconus in the eye of a patient
In Keratoconus, the cone shape deflects light as it enters the eye on its way to the light-sensitive retina. This causes distorted vision created on the retina. There is no cure for keratoconus as of now. It is a lifelong eye disease. However, the disease can be successfully managed with scleral contact lenses made of advanced rigid gas permeable lens materials. They are generally the treatment of choice of eye surgeons and doctors. [Image author: William Charles Caccamise]
Eye Anatomy
The eye is our organ of sight. The eye has a number of components which include but are not limited to the cornea, iris, pupil, lens, retina, macula, optic nerve, choroid and vitreous. Keratoconus is a condition due to problems in the cornea of the eye.
Normal cornea vs keratoconus eye
Keratoconus is identified by corneal thinning and biomechanical instability. In a normal eye, the cornea has a round shape, like a ball. In an eye with keratoconus, the cornea develops a bulge. [Image author: Madhero88]
Normal eye vs Keratoconus
Keratoconus involves thinning out of your cornea, which bulges like a cone. Changing the shape of the cornea brings light rays out of focus. As a result, your vision becomes blurry and distorted.
Common corneal conditions
The cornea is an integral part of the eye which helps the eye to focus properly. Eye allergies (due to any foreign particle), eye infection (conjunctivitis or corneal ulcers), dry eye, Fuch’s Dystrophy, keratoconus, etc are several problems which cause corneal distortion. Due to corneal disorder, a person experiences pain in the eye or head, sensitivity towards light, reduced or blurry vision, redness or inflammation in the eye, etc. Keratoconus is common corneal disease which leads to thinning of cornea and change in its shape. The cornea bulges out and small vesicles, or bullae, are formed in the cornea due to endothelial dysfunction and is referred as bullous keratopathy. Advanced keratoconus results in corneal scarring.
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