What is Keratoconus?
Keratoconus is a progressive ectasia or thinning of the cornea, which is accompanied by an increase in the curvature of the cornea, making it irregular and steep. The internal bonds linking the different layers of the cornea are weakened, due to genetic or inflammatory conditions. It is often associated with allergy of the eye and increased eye rubbing.
How is it detected?
Keratoconus patients usually complain of gradual blurring of vision in the eye affected and frequent change of glasses. The irregular shape usually is associated with increase in cylindrical power of the eye. This is when they maybe advised a Cornea Topography.
The cornea is mapped with the help of a specialized machine called Topography- which basically helps provide an idea of the contour of the cornea. This gives a highly precise point-to-point data on the curvature and thickness at different points on each cornea.
There are various types of Topographers and each provides different data.
Dr. Kareeshma did her thesis on Keratoconus and has worked for 3 years in this area.
Do I have to operate immediately?
Not all Keratoconus will progress. If they progress, then a procedure called Cornea Cross Linking is done. This helps stop the disease but cannot make the eyes normal.
If at the first visit, the disease is already in advanced stage, then early cross linking maybe advised. Otherwise, regular check up to document any sign of progression is done.