Remove card <a href=" http://conankun.net/page/36/ ">500 mg tetracycline</a> A team of scientists from University College London&#39;s Institute of Ophthalmology and Moorfields Eye Hospital in London grew a synthetic retina from embryonic stem cells in the lab, extracted the light-sensitive photoreceptor cells that line the back of the eyes, and transplanted the cells into night-blind mice. Researchers observed that the cells seemed to develop normally, integrating into the existing retina and forming the nerve connections needed to transmit visual information to the brain.