International Veterinary Information Service: www.ivis.org

Association for Research in Vision and Ophthalmology: www.arvo.org

British Association of Veterinary Ophthalmology: www.bravo.org.uk

American College of Veterinary Ophthalmologists: www.acvo.org

European College of Veterinary Ophthalmologists: www.ecvo.org

Société Française d'Etudes et de Recherches en Ophtalmologie Vétérinaire : www.sferov.org

Società di Oftalmologia Veterinaria Italiana: www.sovi.it

The Danish Society of Veterinary Ophthalmology: www.dsvo.dk

The Swedish Society of Veterinary Ophthalmology: www.ssvo.se