"Seeking a technological food fix for world hunger may be "the most commercially malevolent wild goose chase of the new century." Dr. Richard Horton, editor of the British science journal The Lancet The Green Revolution of the 1960s and 70s ... more

Regular diagnostic examinations by an ophthalmologist are the key to preventing loss of vision due to glaucoma. Ophthalmologists are medical doctors, specialists in eye care and trained to examine and treat eye diseases. Although there is no way to ... more

With the proper treatment (glasses, contact lenses, or a corneal transplant), most people with keratoconus will enjoy good vision for the rest of their lives. Thanks to modern contact lenses and surgical techniques, it is rare for someone with ... more

No. Macular degeneration normally affects only your central vision, not your peripheral vision. This means that it usually doesn’t cause total blindness. Because the central vision is affected, however, you may eventually experience difficulty with ... more

The researchers studied visual restoration therapy for stroke patients, hypothesizing that the training would induce specific changes in the brain’s response to stimuli, something demonstrated in animal experiments but never in humans with brain ... more

Again, this point deals with the development of feelings of normality. Every human being is made up of a combination of characteristicsnormal characteristics. Some human beings are female, others are male; some are tall, others short; some are fat, ... more

The primary cause of vision impairment and blindness in the United States is age related disease. Today, approximately 10 million Americans are blind or have a visual impairment severe enough to affect their daily living. Of that 10 million, more ... more

Since most of us cannot see, we do not know the strange looks we get when we go to a restaurant or some other public place. We have discussed before that blindness is the most feared disability. This fact has greatly intrigued me. But as for going ... more

I'm going a project in my biology class and I need to know if color blindness if a gene disorder or if it's a chromosomal disorder. If you use a site for a reference please add it to your answer! :D Thanks for any answers. ... more

I am doing a speech for my class and i need a few leads on the situations or conditions that can cause TEMPORARY blindness or the like. Does dilating the pupils cause temporary blindness or simply make things bright, i'd love for some answers and i' ... more