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KERATOCONUS What is keratoconus?
1) Congenital abnormality of the cornea caused by genetic changes. About 7% of keratoconus carriers have a family history of the illness;2) Chronic ocular trauma, such as rubbing eyes excessively or using contact lenses for many hours at a time and for too many years; 3) Ocular illnesses such as pigmental retinitis, retinopathy of the premature, or allergic keratoconjunctivitis; 4) Systemic illnesses such as congenital Leber’s amaurosis , Down's syndrome, imperfect osteogenesis, and Addison's disease.
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Keratoconus is a non inflammatory corneal disease which progressively affects both young men and women. It normally appears during, or immediately following puberty.
The problem becomes evident when the cornea bends outwards, deforming into a cone shape and thinning of the center of the cornea occurs. The refractive power of the cornea changes when this irregular deformation appears, causing image distortion and blurred vision both for near and far sight.
The normal disposition of corneal proteins, which contributes to normal corneal transparency, is overwhelmed through these changes. Images are distorted and in some cases, corneal scars, and changes in the disposition of corneal proteins, prevent light from filtering correctly, causing disturbing visual reflexes.
Studies show that keratoconus can be associated with one or more of the following: 
Dr. Abbondanza has been studying and treating keratoconus in the past twenty years and highly supports conservative keratoconus surgery.