The world's first clinical trial of a transplant of visual cells derived from induced pluripotent stem cells, or iPS cells, to treat a patient with pigmentary retinal degeneration was performed without any complications, a Japanese research team said Friday.The team, including medical staff from Kobe City Eye Hospital in the western Japan prefecture of Hyogo, successfully completed the roughly two-hour operation on a woman in her 60s, also from western Japan, earlier this month."I am relieved. It's a small step, but we have safely taken it. It is natural for the patient to feel uneasy. I am…READ FULL ARTICLE