The Network of Excellence in Corneal Regeneration

T.H. van Essen, MD


  • 2003-2009  Medical School, Leiden University Medical Center, The Netherlands (MD) Internship in developing area, Duncan Hospital of the EHA (Emmanuel Health Association), Raxaul, India: Worked at the Department of Internal Medicine, Intensive Care, Pediatrics and Obstetrics/Gynecology. Performed gastroscopies under supervision 
  • 2002-2003  Philosophy, University of Utrecht, The Netherlands Studied development of modern thinking for personal edification 
  • 1998-2002  Computer science & engineering, Windesheim College, Zwolle, The Netherlands (BASc) Internship at Diagram BV, Zwolle, The Netherlands: Development of electronic patient record 

Work experience 

  • Aug 2014-today  Resident, Ophthalmology, Leiden University Medical Center, The Netherlands 
  • Jun 2010-Jul 2014  PhD Candidate, Ophthalmology, Leiden University Medical Center, The Netherlands Interplay of foreign and tumor tissue with the ocular environment (Clinician/Scientist (MD/PhD) Training Program) Mentor: Martine J. Jager, LUMC  
  • Dec 2009-May 2010  Medical Intern, Internal Medicine, Rijnland Hospital, Leiderdorp, The Netherlands (part-time) Worked in departments of internal medicine, cardiology and emergency medicine 
  • Nov 2009-Apr 2010  Researcher, Ophthalmology, Ocular Oncology, Leiden University Medical Center, The Netherlands (voluntary, part-time) Inflammation in uveal melanoma. Mentor: Martine J. Jager, LUMC 

Research interest 

  • Ocular surface restoration 
  • Artificial collagen constructs for corneal regeneration 
  • Ocular immunology in cornea transplantation 
  • Ocular immunology and ocular tumors 


Full Essen CV

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The NExCR is managed by the COST (European Cooperation in Science and Technology)
Action BM1302 "Joining Forces in Corneal Regeneration Research" 2014-2017.