by Dan Roberts (Updated February 1, 2008) Advanced Cell Technology (ACT) in Massachusetts announced on September 23, 2004 that they had engineered human embryonic stem cells which could be used to repair a damaged retina. The research team worked with stem cells taken from human embryos made by another team at Harvard University and coaxed [Read More]
News
The First Seven Years: An Overview of Stem Cell Transplantation Research for Treatment of Retinal Disease
by Dan Roberts A great deal has happened in an amazingly short time in the field of stem cell transplantation for treatment of retinal disease. This article overviews the first seven years and briefly summarizes the most important research. By no means comprehensive, it is intended to provide a helpful perspective for both doctors and [Read More]
Color Perception and Macular Degeneration
Originally published November 2007 People with macular degeneration gradually lose their color perception. This is because the photoreceptor cone cells, which are most dense in the macula, are responsible for color vision. The rod cells, which proliferate in the peripheral field, provide only black and shades of gray. Color is interpreted by the brain. The [Read More]
Degenerative Myopia
by Dan Roberts (Updated November 2015) Overview Myopia is a condition whereby images come into focus in front of the eye, resulting in a blurred image on the retina. The more severe the nearsightedness, the farther the image is from the retina, which results in more blurry vision in the distance. Myopia causes light rays [Read More]
Low Vision Rehabilitation Delivery Model Launched
Kansas City, MO (August 10, 2007) — An historic event in low vision care was officially announced on August 10, 2007 at the third annual Envision 07 Conference in Kansas City, Missouri. As part of the keynote speech, R. Tracy Williams, O.D. described a model that has been developed over the past five months by [Read More]