**2.1 Method**

For the analysis of the data, the following sources were consulted for this paper: Expert opinion, clinical case reports and specialized databases. In the first case, it was a survey with ophthalmologists skilled in corneal surgery, yielding six National specialists which are located geographically in Colombia. An unstructured interview was used for this. For the clinical reports, we reviewed the clinical cases of the service of ophthalmic consult of Fundación Universitaria del Área Andina Seccional Pereira and the reports made by specialists.
