Neurosurgical Symposium for General Physicians. Military hospital. Santafé De Bogotá, October 1987

V Colombian-Venezuelan Ophthalmology Course. Continuing Education. Cúcuta April 1992

Anglo-American Course in Pediatric Ophthalmology. Santafé De Bogotá, October 1992

XIX Pan American Congress of Ophthalmology. Caracas Venezuela July 1993

II Research Workshop in Clinical Epidemiology. Bucaramanga, August 1993

I Course of Neuro-Clinical Ophthalmology. Bucaramanga, February 1994

XV Annual Course, National Ophthalmological Foundation. Santafé De Bogotá February 1994

XXVI National Congress Colombian Society of Ophthalmology. Cartagena September 1994

Introductory Theoretical Course on the Fundus of the Eye. Vargas Hospital of Caracas – Venezuela 1995

Course on Neurological Complications of the Diabetic Patient. Venezuelan Medical Federation, Caracas 1995

I Theoretical-Practical Course on Phacoemulsification. Bucaramanga, 1995

Advanced Theoretical-Practical Update Course on Cataract Surgery and Refractive Surgery. Atlanta, Georgia, USA October 1995

American Course of the American Academy of Ophthalmology. Atlanta, Ge, USA, 1995

XVII Inter-American Course of Clinical Ophthalmology. Miami Florida, USA 1995

Inter-American Symposium of Neuro-Ophthalmology. Santafé De Bogotá, 1996

First Course in Neuro-Ophthalmology. University of Antioquia. Medellin 1996

XXVIII Congress of the Colombian Society of Ophthalmology. Medellin 1998

National Congress Italian Society of Ophthalmology, Rome (Italy) December 2001

XXX Congress Colombian Society of Ophthalmology Paipa (Boyacá), September 2002

ASOCOR International Course (Association of Cornea Surgeons) Bucaramanga, 2003

XXXI Congress of the Colombian Society of Ophthalmology Cartagena 2004

II Symposium of Neuro-ophthalmology, Vargas Hospital 2005

Latin American Congress of Neuro Ophthalmology, Buenos Aires (Argentina), November 2005

World Ophthalmology Congress, Sao Paulo Brazil 2006

XXXII National Congress of Ophthalmology, September Medellín, Colombia.

Basic and Clinical Update Course in Ophthalmology, (Guest Professor), January 2007 Santander Ophthalmological Foundation, Bucaramanga, Colombia.

II Basic and Clinical Update Course in Ophthalmology, (Guest Professor), January 2008 (90 Theoretical Hours and 15 Practical Hours), Bucaramanga, Colombia.

Update Courses in Ocular Electrophysiology. (2011-2013)

Regional Ophthalmology Course Pan American Association of Ophthalmology, Cartagena 2012 (Lecturer).

XXI Pan American Congress of Ophthalmology. Bogotá, August 2015

I Fundus Course – FOSCAL – Organizer 2019

Biannual National and International Courses of the Colombian Ophthalmological Society, August 2020

1. After the Storm comes the Calm: Pregnancy-Induced Hypertension and Serous Retinal Detachment: Angioflueresceinografía Gaceta Médica de Caracas 03/2008,116(1):57-62. Hernandez Germán, Cárdenas PL. Muci Mendoza Rafael.

2. Ortiz A1,2, Arias J1, Cárdenas P1, Villamil J1, Peralta M1,2, Escaf LC1, Ortiz J2. Macular Findings in Spectral Domain OCT and OCT Angiography in a Patient with Kearns-Sayre Syndrome. Int J Retina Vitreous. 2017 Jul 10;3:24 Doi:10.1186/s40942-017-0077-8

3. Ortiz A1,2, Cárdenas P3, Peralta M4,3, Rodríguez H3, Frederick G3, Ortiz J4. Neuro-ophthalmological findings in TAFRO syndrome in a patient from South America, a variant of multi-centric Castleman's disease. Int Ophthalmol.2017 Jul 27. doi: 10.1007/s10792-017-0636-x.

4. Ortiz Z AI1,2, Cárdenas PL1, Escaf LC3, Peralta M4. Cortical blindness as severe Neuro-ophthalmological manifestation of tuberous sclerosis complex. GMS Ophthalmol Cases. 2017 Apr 19;7:Doc11. doi:10.3205/oc000062.

5. Neuro-Ophthalmogical Findings as First Manifestation of Occipital Tuberculoma.Alvaro Ortiz, Pedro Cárdenas, Rodrigo Arana, Luz Gómez & Marcela Peralta. NEURO-OPHTHALMOLOGY,DOI:10.1080/001658107.2020.1771740

6. Complete Susac syndrome in a 22-year-old man in Colombia: About a case and Review of the Literature. D.Jaramillo V., HD Escobar, PL.Cárdenas A., JJ Moreno Polit, C.Velez Alvarez. Archives of the Spanish Society of Ophthalmology, 2020;95(8):396-399 doi.org/10.1016/j.oftal.2020.05.031.

1. New Macular Findings on HD SD OCT Optical Coherence Tomography in Kearns-Sayre Syndrome. XXXVI National and International Congress of Ophthalmology Colombia 2014
2. Pseudotumor cerebri as a finding in a patient with C1Q nephropathy prior to kidney transplant. XXXVII National and International Congress of Ophthalmology Colombia 2016
3. Cortical blindness in Tuberous Sclerosis: A case report. XXXVII National and International Congress of Ophthalmology Colombia 2016
4. Visual hallucinations as a clinical manifestation of tuberculoma in the central nervous system. National Congress of Ophthalmology Residents Colombia 2017
5. Posterior Ischemic Optic Neuropathy as an ophthalmological manifestation secondary to a snake bite. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
6. Neuro-ophthalmological Findings of Acute Occult External Zonal Retinopathy (AZOOR): Case Report. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
7. Neuro Ophthalmological Manifestations in TAFRO Syndrome. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
8. Retinitis Pigmentosa Without Pigment: Case Report. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
9. Neuro-Ophthalmological, Neurological and Psychiatric findings as initial manifestations of Neurosyphilis. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
10. Visual hallucinations as a clinical manifestation of tuberculoma in the central nervous system in an immunocompetent patient. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
11. Orbital Apex Syndrome secondary to peripheral T-cell lymphoma with a synchronous tumor of the cervix. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017
12. Central retinal artery occlusion secondary to the administration of concentrated red blood cells. XXXII Congress of the Pan American Association of Ophthalmology PAAO. Peru 2017.

Pan American Association of Ophthalmology

Colombian Association of Ophthalmology (Number Member since 1997)

FOSCAL Alumni Association Since 1997

Latin American Neuro-ophthalmology Club. (Clan)

SOI (Societa Oftalmologica Italiana) Partner As Oftalmologi Stranieri Con Residenza E Attivitá Professionale All'estero.