Word: retina
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Dates: during 1990-1999
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...Pearl Van Vliet, a retired medical-center receptionist who was suffering from the same condition that had deprived Ernest's father of his sight. That disease is known as age-related macular degeneration, in which the eye's macula, a remarkably sensitive structure in the middle of the retina, gradually loses its ability to distinguish shapes and colors...
...delicate procedure that lasted more than two hours, Ernest and his team tried a new and hopeful approach to macular degeneration. They first took cells from the retina of an aborted fetus, then surgically transplanted them into Van Vliet's severely impaired left eye. Since the operation, the transplanted cells have begun to proliferate, forming minute projections that stretch toward Van Vliet's macula. For Ernest, a large, affable man of 62, the weekly ritual of scrutinizing the eye scans that chronicle Van Vliet's recovery from surgery proved intensely satisfying, not only professionally but also because of his frustrating...
Greka is finishing work in a vision research laboratory at Boston Children's Hospital on her project: "Molecular Cloning and Characterization of GABAc Receptors in Mouse Retina...
...enduring image of the Los Angeles Police Department--cops whaling away with nightsticks at a prostrate victim--was engraved on the nation's retina by the Rodney King beating in 1991. Greg Dossey's job for the past few years has been to reverse not just that image but the reality behind it as well. His efforts, along with some department-wide soul-searching, are paying off. There were 583 misconduct claims against Los Angeles police officers last year, about half the number recorded a decade earlier. Sixteen cases made it to court--by far the lowest number since...
...example, children who are born with a cataract will become permanently blind in that eye if the clouded lens is not promptly removed. Why? The brain's visual centers require sensory stimulus--in this case the stimulus provided by light hitting the retina of the eye--to maintain their still tentative connections. More controversially, many linguists believe that language skills unfold according to a strict, biologically defined timetable. Children, in their view, resemble certain species of birds that cannot master their song unless they hear it sung at an early age. In zebra finches the window for acquiring the appropriate...