After several years of working at Doheny, she found that she was fascinated by the other facets of the field of ophthalmology. She first studied for her COT, and received it in 1985. Later she went on for her COMT certification, which she received in 1991. While at the Doheny Eye Institute, Gretchen also conducted original research in the areas of the usefulness of electrophysiology in the evaluation of the traumatized eye, and VER testing for unexplained vision loss. While conducting the later study, she became intrigued with what appeared to be psychogenic blindness in certain refugee women. With the assistance of a colleague specializing in psychology, Gretchen embarked on a research agenda that included investigating the consequences of severe trauma as the likely cause of psychogenic blindness in a group of older Cambodian women. That work resulted in national and international attention with appearances on ABC's 20/20 news program, and CNN evening news segment, British and German equivalents of 20/20 , as well as being featured in numerous newspaper articles, including a feature story in the New York Times Magazine .
As a result, Gretchen felt it necessary to continue her education, and she went back to graduate school while maintaining a full-time position as director of the electrophysiology and psychophysiology department at Doheny. She received her doctorate in Social Ecology with an emphasis in Health Psychology from the University of California, Irvine, in 1995.
Since receiving her doctorate, Gretchen has continued to work as director of the electrophysiology and psychophysiology department, but has taken on new responsibilities, as well. She was asked to create a multidisciplinary low vision rehabilitation program that she currently heads. She is also the director of the Continuing Medical Education program at the Doheny Eye Institute. She has coordinated a grant on why preventable blindness occurs in diabetes and is currently investigating barriers to low vision care. Additionally, she has been a principal investigator on a Social Security Administration project aimed at assisting low income blind and visually impaired individuals in receiving appropriate benefits. She continues teaching JCAHPO courses, as well as courses at USA and California State University, Long Beach in the Health Science Department.
Gretchen truly loves the field of ophthalmology. It is her sincere hope that many of you will develop a greater appreciation of the field after reading this book. The areas covered are often considered tedious to get through, she hopes that the care examples she has provided with allow these subjects to "come alive."