- CVNet..
- CorneaRefSurg.
- EYEMOV-L..
- EYENURSE.
- EYEPLAST.
- EYETECHS..
- Glaucoma-Net.
- Kera-Net..
- LensNet.
- MYOPIA-NET.
- Medpicts..
- NANOSNET.
- OOSNA-L.
- OPH-GEN.
- OPHTHAL.
- OPRS-NET.
- OPTIMAL.
- OPTNET CLINALRT.
- PED-OPHTH.
- RETINA-NET.
- RPLIST.
- Reticulum.
- VISION-L..
- WNEYE-L.
- Aids Information Newsletter.
- American Academy of Pediatric Ophthalmology and Strabismus
- American Association for Pediatric Ophthalmology and Strabismus (AAPOS)
- American Diabetes Association
- American Disability Act (ADA)/Disability Information Index
- American Medical Association
- American Society of Cataract and Refractive Surgery
- Apple Computer
- Computer-Based Patient Record Institute (CPRI)
- Doheny Eye Institute – University of Southern California School of Medicine
- Eyecare Technology Magazine
- Glaucoma Research Foundation
- Global Health Network
- Harvard University_Virtual Library -Biomedicine Index
- Health Sciences Societies and Organizations (MedWeb Index)
- Health and Human Services
- Hospital Web.
- IBM – Special Needs Solutions
- IBM Special Needs Information Referral Center
- Immunet
- Johns Hopkins University InfoNet
- MedWeb
- Melbourne University (Australia) – Dept. of Ophthalmology
- Multimedia Medical Reference Library
- National Center for Health Statistics
- National Eye Institute
- National Health Information Center
- National Heart, Blood, and Lung Institute
- National Keratoconus Foundation
- PXE International, Inc.
- Physicians Online
- Prevent Blindness America
- Public Health Service
- Retinitis Pigmentosa Home Page
- Royal National Institute for the Blind,UK
- Sarcoidosis World-wide Support Group
- Schnepens Eye Research Center – Harvard University
- Sight and Hearing Association
- The Foundation Fighting Blindness
- University of Illinois/Chicago – Dept. of Ophthalmology – UIC Eye Center
- University of Iowa – Virtual Hospital
- University of Pisa (Italy) – La Clinica Oculistica Virtuale
- Virtual Eye Center
- Virtual Hospital
- Wilmer Eye Institute – Johns Hopkins University
- World Health Organization
