There's a cool new video player in the Firefox Web browser that Mozilla released on June 30. But the onscreen buttons used to control it are too small for some visually impaired users to see. So Ken Saunders, a 41-year-old, legally blind volunteer for Mozilla, took it upon himself to create a tool that makes the player easier to use for people with vision problems.

BOSTON (Reuters) - Two Merck blood pressure drugs given to diabetics to prevent worsening kidney problems do not work in that way but may prevent diabetes-related eye problems, researchers reported on Wednesday. The Vasotec brand of enalapril and the Cozaar brand of losartan slowed progression of diabetic eye damage in more than 65 percent of patients, the researchers found in a study partially funded by Merck. Kidney disease known as diabetic neuropathy causes at least 45 percent of kidney failures in the United States. Diabetes is also the main cause of ...

The World Health Organisation said Wednesday it was launching a clinical trial for a drug that could halve the treatment period for river blindness, a disease that threatens 100 million people mostly in Africa. The phase three trial of the drug moxidectin, in collaboration with Wyeth Pharmaceuticals, would involve 1,500 people in Ghana, Liberia and the Democratic Republic of Congo, said the WHO. Also called onchocerciasis, river blindness is caused by a parasitic worm whose larvae are transmitted by the bite of the black fly, which breeds by fast-flowing ...