About Us

The Animal Iridology Center is a division of Through The Eye Interntional.

Mercedes Colburn PhD, N.D. - owner, co-creator of Equine Iridology, Grid Research / Education
Judy Beery Burzenski, International Marketing and Publications Director
Jack Colburn, owner, photographer
Darlene Slover MHH, EIT, Northern California consultant

1977 MA, Vocational Education, University of California, Berkeley
1987 Certification/Iridology Dr. J. Richardson
1988 Herbalist, Dr. Richardson
1988-1989 House Herbalist at Through The Eye International (formerly the Herb Farm Co.)
1989 Certified Nutritional Herbalist, Mark Peterson
1989 Certified Herbalist, Dr. Jim Jenks
1989-Certification/Iridology, Dr. Bernard Jensen.
1990 Certified nutritional Herbalist. Dr. J. Richardson
1992 Certified Herbal Consultant, Joan Vandergriff
1995-Present Researcher/Educator/Equine Iridology
1998 MA, Holistic Healing, Steveal Horn
1999 Iridologist/Herbalist, Dr, Jim Jenks
2000 Certified Iridology, Dr. Jim Jenks
2001 Doctor of Naturopathy, Trinity College, IN
2006 PhD, Richmond’s University, London, England