Gourt > Health > Conditions and Diseases > Neurological Disorders > Headaches > Migraine > Retinal
The Retinenes (Retinene1 and Retinene2) are chemical derivatives of the dietary supplement vitamin A (see retinol) formed through oxidation reactions.
Retinene1 is better known as retinaldehyde or simply retinal and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina. Retinene2 is more formally known as dehydroretinaldehyde.
The energy of impinging photons will convert retinaldehyde from an 11-cis isomer into an all-trans form. In the retina, this conversion induces a conformational change in the surrounding photopsin protein pigment, leading to signaling through the G protein transducin. Retinaldehyde also forms a part of bacteriorhodopsin, a light-induced proton pump found in some archaea.
More on [ Retinene ]
Disorders - Ocular Migraine - Description of ocular migraine with example images.
Eye Floaters and Spots - Descriptions of causes and treatments.
Meta Description: [ A guide to the causes, symptoms and treatment of eye floaters and visual spots. ]
404
Eyes and more - Short article on ophthalmic migraine.
iMigraine - A discussion about retinal migraine along with graphics.
Migraine, ocular - Definition from Medicinenet.com
Retinal migraine - Diagnostic criteria and the complexity of a verbal description
Meta Description: [ Information about migraine with aura for practicing neurologists and patients. ]
sci.med.vision: Frequently Asked Questions Part 3/5 - Contains information about ocular migraine.
Vision and Eyecare FAQ: section5 - Section 5.9.2 includes description of retinal migraine
Meta Description: [ Vision and Eye care overview elaborated to answer Frequently Asked Questions (FAQs) and to assist understanding of human vision and eyecare ]
What is ophthalmic migraine? - Description of ophthalmic migraine.
| Insidermedicine in 60 - January 14, 2008 | |
| Next Video | |
