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The top indications for a cornea transplant would be patients with keratoconus. Also patients with corneal scars, either be it from trauma or from disease as well as corneal dystrophies. Those are the main reasons that you would do a graft, although it is very common to repeat a graft because sometimes they do fail and you have to repeat them. A cornea transplant on a patient who has a corneal scar, we will remove that opacity and hopefully improve their vision - their best-corrected vision. With keratoconus, patients have a lot of stigmatism and irregular stigmatism. Even though the graft will create some stigmatism from the stitches, they eventually will have better corrected vision and patients with corneal dystrophies, a lot of times, the dystrophy is removed with the graft. Some of them do recur in grafts and that is why followup is so important. Every patient must undergo a complete exam including dilation. We also do corneal mapping topography. If a patient requires a cornea transplant, we evaluate what the reason is for it. If the patient has keratoconus, we can always do Intacs, which are an implanted segment within the cornea, which gives strength to the cornea and lifts it up thereby slowing down the progression of the disease.