Gillian McLellan, BVMs, DACVO, DECVO, PhD, Associate Professor

Department of Surgical Sciences
Office: 3372

Gillian McLellan, BVMs, DACVO, DECVO, PhD, Associate Professor

Titles and Education

  1. European Specialist in Veterinary Ophthalmology
  2. Diplomate ACVO, 2004
  3. Diplomate ECVO, 2003
  4. DVOphthal, Royal College of Veterinary Surgeons, 2001
  5. PhD, University of London, 2000
  6. CertVOphthal, Royal College of Veterinary Surgeons, 1993
  7. BVMS, University of Glasgow Veterinary School, 1990
  8. President, European College of Veterinary Ophthalmologists (2012-2014)



Dr McLellan’s main area of research focus is comparative glaucoma, including imaging of the retina and optic nerve, electrophysiology, aqueous humor dynamics, genetics and pathology of glaucoma in animals and humans

Dr McLellan also has a strong research interest in comparative ophthalmic pathology, and in diseases of the retina and optic nerve in dogs, and the ocular and systemic effects of vitamin E deficiency in dogs.


Associate Professor in Comparative Ophthalmology, Dept of Surgical Sciences, School of Veterinary Medicine and Dept of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health
Trainer: Comparative Biomedical Sciences Graduate Program
Program Director:  NIH Shared Instrumentation Grant for Multimodal Imaging of the Eye
Consultant Ophthalmologist, UW Veterinary Care, Morrie Waud Equine Center

Clinical Interests

Glaucoma in all species
Feline ophthalmology
Advanced imaging of the eye and orbit
Retinal Disease
Ocular pathology / clinical pathology
Equine corneal disease

Recent Publications

  1. Teixeira, L.B.C., Buhr, K.A., Bowie, O., Duke, F.D., Nork, T.M., Dubielzig, R.R., McLellan, G.J. (2014)  Quantifying Optic Nerve Axons in a Cat Glaucoma Model by a Semi-Automated Targeted Counting Method Molecular Vision  20:376-85. PMID: 24715755
  2. McLellan, G.J., Kemmerling, J.P., Kiland, J.A. (2013) Validation of the TonoVet® Rebound Tonometer in Normal and Glaucomatous Cats.  Veterinary Ophthalmology. 16 (2), 111-118. PMID:22672669
  3. McLellan, G.J. and Rasmussen, C.A. (2012) Optical Coherence Tomography for the Evaluation of Retina and Optic Nerve Morphology in Animal Subjects:  Practical Considerations. Veterinary Ophthalmology 15 Suppl 2:13-28 PMID: 22805095.
  4. Schallek, J., McLellan, G.J.,Viswanathan, S., Ts’o D. (2012) Retinal Intrinsic Optical Signals in a Cat Model of Primary Congenital Glaucoma Investigative Ophthalmology and Visual Science 53 (4), 1971-1981.  PMID:22395886
  5. McLellan, G.J. and Miller, P.E. (2011) Feline Glaucoma- A Comprehensive Review.  Veterinary Ophthalmology 14 (Suppl 1), 15-29. PMCID: PMC3348181