- Guthrie Robert Packer Hospital
- Diabetic Eye Disease
- Macular Degeneration
- Ophthalmic Diagnostic Testing
- Retinal Diseases and Conditions
- American Board of Ophthalmology
- Georgetown University School of Medicine, Washington, D.C.
- Harbor Hospital Center, Inc., Baltimore, Md.
- Washington Hospital Center, Washington, D.C. (Ophthalmology)
- Albany Medical Center, Albany, N.Y. (Vitreoretinal Surgery)