Researchers have discovered that the pigments which allow the eye to detect colour are controlled by the thyroid gland, those using contact lenses may be interested to know.
Carried out at the Max Planck Institute for Brain Research in Frankfurt, Germany, the study revealed how colour sensitivity is not fixed, as previously believed, but is controlled throughout life by thyroid hormones.
Martin Glosmann, from the University of Veterinary Medicine, Vienna, which was also involved in the research, said: "In addition to their importance for basic retinal research, our findings may also have clinical relevance."
He explained that those suffering from thyroid hormone deficiency, which can be caused by a lack of iodine in the diet, must also experience an alteration in their colour vision.
Scientists at Georgetown University Medical Center in the US recently came one step closer to curing age-related macular degeneration, after developing retinal cells derived from human-induced pluripotent stem cells.
by Adrian Galbreth