During a 24 - month clinical trial, Colby (and fellow ophthalmologists David Chang of the University of California, San Francisco, Doyle Stulting of Emory University's Eye Center in Atlanta, and Stephen S. Lane of Associated Eye Care in Stillwater, Minn.) developed and tested a preferred technique for implanting the device to most effectively treat bilateral end - stage macular degeneration, which most
commonly afflicts people over the age of 55.