American Academy of Ophthalmology
http://www.aao.org

American Academy of Optometry
http://www.aaopt.org

American Optometric Association
http://www.aoanet.org

American Society of Cataract & Refractive Surgery
http://www.ascrs.org

American Society of Ophthalmic Administration
http://www.ascrs.org

Crizal Lenses
http://www.crizal.com

Transitions Optical
http://www.transitions.com

Varilux Lenses
http://www.varilux.com