**Author details**

Mauricio Aguirre Baez\* and Rodrigo Castillo Iturria Department of Ophthalmology, Hospital Barros Luco-Trudeau, Santiago, Chile

\*Address all correspondence to: pacinodoc@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
