'Petri dish lens' gives hope for new eye treatments

A cure for congenital sight impairment caused by lens damage is closer following new research. Scientists in Australia are closer to growing parts of the human eye in the lab. They have, for the first time, derived and purified lens epithelium -- the embryonic tissue from which the lens of the eye develops. The purity of the cells paves the way for future applications in regenerative medicine.

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