International Ocular Inflammation Society
- Independent scientific society studying ocular inflammatory diseases.
- http://www.iois.org/

International Uveitis Study Group (IUSG)
- Researchers and clinicians engaged in research and clinical management of uveitis.
- http://www.iusg.net/

International Society for Genetic Eye Diseases and Retinoblastoma
- A forum for researchers to share information and promote international collaborations in the study of genetic diseases of the eye.
- http://www.isgedr.org/

Club Jules Gonin
- Organization supporting research in retinal diseases.
- http://www.clubjulesgonin.com/member/index.asp

Eye Care Foundation
- Non-profit foundation providing information and resources for patients with macular degeneration, eye cancer and related eye diseases.
- http://www.eyecarefoundation.org/

Cochrane Eyes and Vision Group (CEVG)
- International network of individuals working to prepare, maintain and promote access to systematic reviews of interventions to treat or prevent eye diseases or visual impairment.
- http://www.cochraneeyes.org/

International Council of Ophthalmology
- The executive body and operational arm of The International Federation of Ophthalmological Societies (IFOS) that represents and serves professional associations of ophthalmologists throughout the world.
- http://www.icoph.org/

International Society for Clinical Electrophysiology of Vision
- ISCEV promotes knowledge and cooperation in field of clinical and basic electrophysiology of vision.
- http://www.iscev.org/

Tear Film & Ocular Surface Society
- The official website of the Tear Film & Ocular Surface Society.
- http://www.tearfilm.org/

Association for Research in Vision and Ophthalmology
- Deals with research in various fields of ophthalmology.
- http://www.arvo.org/root/index.asp

Ophthalmic Anesthesia Society
- Organization of anesthesiologists, ophthalmologists, and CRNAs committed to sharing education and information.
- http://www.eyeanesthesia.org/

Surgical Eye Expeditions (SEE) International
- Non-profit humanitarian organization to recruit volunteer ophthalmologists, nurses and technicians to perform free, sight-restoring surgery throughout the developing world.
- http://www.seeintl.org

Ophthalmic Photographers Society
- Non-profit organization dedicated to highly specialized photography pertaining to ophthalmology.
- http://webeye.ophth.uiowa.edu/ops/

International Society of Geographical and Epidemiological Ophthalmology
- Promoting the science of geographic and epidemiologic ophthalmology worldwide.
- http://www.interchange.ubc.ca/bceio/isgeo/

International Society of Refractive Surgery
- Provides informational resources on refractive surgery.
- http://www.isrs.org/

Internet Ophthalmology
- Non-profit organization devoted to the education and training of international eyecare providers.
- http://www.ophthal.org/

International Society for Eye Research
- Dealing with ocular research and news updates.
- http://www.iser.org/

International Refractive Surgery Club
- International organization of the world's leading refractive surgeons.
- http://www.refractive.org/

International Colour Vision Society
- International group of physiologists, psychologists, physicists, geneticists, optometrists, ophthalmologists and others who have a research interest in the many aspects of colour vision and colour vision deficiencies.
- http://orlab.optom.unsw.edu.au/ICVS/

Association of Vision Science Librarians
- An international organization composed of professional librarians, or persons acting in that capacity, whose collections or services include the literature of vision.
- http://spectacle.berkeley.edu/~library/AVSL.HTM

Contact Lens Council
- Educational resource on vision correction for consumers. The primary goal of the CLC is to promote the safe use of contact lenses.
- http://www.contactlenscouncil.org

Talking Newspaper Association UK
- Provides national and regional talking newspapers and magazines in alternative formats for the blind, visually impaired and the disabled who find it difficult to hold a newspaper.
- http://www.tnauk.org.uk/

Association for Macular Diseases, Inc.
- Online resource providing information and support for people with macular degeneration and other macular diseases.
- http://www.macula.org/

College of Optometrists in Vision Development
- Certifying body for doctors in the optometric specialty called Behavioral/ Developmental/ Rehabilitative Optometry.
- http://www.covd.org

Sight and Hearing Association
- Dedicated to preventing the needless loss of vision and hearing through effective screening, education, and research. This site provides public information about eye and ear topics as well as information regarding products and services.
- http://www.sightandhearing.org/

National Eye Research Foundation
- Non-profit organization providing information in contact lenses and orthokeratology as it develops.
- http://www.nerf.org/

Orbis
- Operating the world's only flying eye hospital. A sight saving and international blindness prevention charity.
- http://www.orbis.org/

Sjogren's Syndrome Foundation
- Offers education and support, and strives to increase awareness and research into more effective treatments and a cure.
- http://www.sjogrens.org/

Fight for Sight
- A non-profit organization funding fellowships and grants for vision research and children's eye clinics in the U.S. and internationally to prevent blindness and find cures for all eye diseases.
- http://fightforsight.com