Erik Hahn

MSc, OC(C), COMT, DO, CCLF; Associate Professor; Lecturer, Department of Ophthalmology


Phone: (902) 470-8978
Mailing Address: 
IWK Health Centre
5850 University Avenue, 6th Floor
P.O.Box 9700, Halifax, NS
B3K 6R8

Clinical Appointments

  • Eye Care Team Clinical Team Leader, IWK Health Centre, Halifax, NS
  • Clinical Orthoptist/Ophthalmic Technologist, IWK Health Centre, Halifax, NS


  • B.P.E. (Physical & Health Education), Dalhousie University, Halifax, NS 1981
  • M.Sc., Dalhousie University, Halifax, NS 1984
  • Orthoptics and Ophthalmic Medical Technology training, School of Orthoptics and Ophthalmic Medical Technology, IWK Health Centre, Halifax, NS 1986
  • Ophthalmic Dispensing of Spectacles, Opticians’ Association of Canada1992
  • Ophthalmic Dispensing of Contact Lenses, Opticians’ Association of Canada / Northern Alberta Institute of Technology 1994
  • Advanced Practice Sight Testing/Refracting Optician, Northern Alberta Institute of Technology 2005

Current Teaching

VISC 5020.03 - Physical and Visual Optics

This class will analyze physical, optical and ophthalmic principles, with an emphasis on the measurement of light and on its behaviour in image formation. Visual optics in physical, schematic and human modalities will be investigated critically in experiment and clinical venues.

FORMAT: Lecture and lab
PREREQUISITE: This class is a prerequisite for the Therapeutic and Psychosocial Aspects of Low Vision, Treatment of Visual Disorders, and Treatment of Ocular Motility disorders.

VISC 5350.03 - Topics of Vision Care

This class will provide students with an opportunity to explore in depth topics of interest in the ophthalmic field. The students will then have a sound knowledge base of potential areas of research and detailed knowledge of the field in which his/her thesis work will likely be undertaken.

FORMAT: Seminar format
PREREQUISITE: VISC 5210.03 and 5222.06

Research Interests & Activities

Cinical research in visual acuity, stereoacuity, amblyopia, optics and refraction, and quantitating strabismus.

Erik has supervised MSc graduate students and frequently serves on thesis supervisory committees.