iMigraine 
A discussion about retinal migraine along with graphics.
http://imigraine.net/migraine/retinal.htmlRetinal Migraine
Explains the diagnostic criteria used by the International Headache Society, and includes a diagram of the visual disturbances.
http://www.migraine-aura.org/EN/ICHD-II_1.4_Retinal_migraine.html
Retinal migraine: caught in the act
Letter in the British Journal of Ophthalmology presents a case history with photographs and comments.
http://bjo.bmjjournals.com/cgi/content/full/88/2/301
Transient monocular visual loss and retinal migraine
Clinical article in the Canadian Medical Association Journal describes a case history and presents the differential diagnosis.
http://www.cmaj.ca/cgi/content/full/173/12/1441
