[Caution to perform excimer laser corneal ablation on the ametropia with corneal guttata].

It is very important to avoid inadequate patients to perform excimer laser keratectomy in order to prevent from surgical complications. The ametropic eyes with corneal guttata is considered very carefully whether to perform excimer laser corneal ablation or not, especially for the patient with corneal guttata companied by Fuchs endothelial dystrophy family history is contraindicated to perform laser corneal refractive surgery.