Jan, 2001 Feb, 2001 Look at the corneal topographies above. They belong to the same patient taken one month apart. What changes have occured in this patient's cornea? Answer The corneal topography in January shows with-the-rule astigmatism. The corneal topography in February shows an uniformly flat central cornea without astigmatism. What are the possible causes? Answer The patient is likely to have undergone some cornea surgery to reduce the corneal power and the astigmatism. Possible procedures are: photorefractive surgery including LASEK radial keratotomy intracorneal ring
Look at the corneal topographies above. They belong to the same patient taken one month apart.
What changes have occured in this patient's cornea?
What are the possible causes?
