Ricardo Jacinto Francisco Javier Antonio Alonso Ligorio Vertiz Berruecos, Mexican ophthalmologist (Ciudad de Mexico 16 August 1848 – Ciudad de Mexico 12 November 1888)

Developed a procedure for improvement of stumps from ocular enucleation (1887)

Developed a method of cataract extraction

Proposed a special and indirect conversion procedure for oblique deliveries

His ability for cataract surgery was recognized in France

His uncle, Francisco Xavier Pedro de Jesus Vertiz Delgado, Mexican surgeon (Ciudad de Mexico September 1817 – Ciudad de Mexico August 1849)

Invented metallic retractors for amputations