Eyes are the most precious part of the human body. Without this the whole world is black. It is very powerful sense in the human body. Join discussion...

Eating lots of sugary, starchy foods may make eyes more vulnerable to age-related macular degeneration (AMD), America's top cause of vision loss. That news appears in The American Journal of Clinical Nutrition. AMD typically starts late in life. It affects the retina, located in the center of the eye. AMD can cause vision loss. Previous research shows that diets rich in antioxidants might help prevent AMD. The new study adds one more diet tip: Go for carbohydrates that don't make your blood s Join discussion...

Sales of a popular contact lens solution have been halted in South Africa following an investigation by US health authorities that has linked it to a potentially blinding eye infection. In May this year the manufacturers of Complete Moisture Plus multipurpose solution, an "all-in-one" product used for cleaning and storing soft contact lenses, issued a worldwide recall of the product. This came after an outbreak of 138 confirmed cases of Acanthamoeba keratitis (AK), a painful and rare inflammati Join discussion...

Italian researchers looked at the coffee drinking and smoking habits of 166 people with blepharospasm. Sufferers have uncontrollable twitching of the eyelid which, in extreme cases, stops them being able to see. One or two cups of coffee a day seemed to reduce the risk of the condition, the team reported in the Journal of Neurology, Neurosurgery and Psychiatry. Join discussion...

The title is just a fancy way of saying that some women seem to have four colour receptors in their eyes rather than the usual three. Actually some people also have a different set of three and this was known for some time before the discovery that quite a few women see extra colours than the rest of the population. Of course some men are missing a receptor and have only two and as a result are called colour blind. Compared to tetrachromats we are all colour blind. Join discussion...