1 From the Instituto de Oftalmología Fundación Conde de Valenciana, Mexico City, MexicoOriginally received July 27, 2020. Accepted August 13, 2020.. Electronic address: analia_dg@hotmail.com.
2 From the Instituto de Oftalmología Fundación Conde de Valenciana, Mexico City, MexicoOriginally received July 27, 2020. Accepted August 13, 2020.