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Within 24 hours of Dr. Kenneth Rosenthal implanting (Credit: Newsday / J. Cornad Williams Jr.)

Within 24 hours of Dr. Kenneth Rosenthal implanting the artificial iris, his patient experienced a transformation so dramatic that the teen's left eye went from legal blindness to 20/40 eyesight — near-normal vision. The iris helps regulate light. (Jan. 17, 2011)

Pioneering eye surgery in Great Neck

A Great Neck eye surgeon succeeded in the first part of a pioneering operation in which artificial irises are implanted in a 16-year-old boy.

Dr. Kenneth Rosenthal, a Great Neck ophthalmologist and
(Credit: Newsday / J. Cornad Williams Jr.)

Dr. Kenneth Rosenthal, a Great Neck ophthalmologist and surgeon, conducted the first of two planned iris-implant operations on 17-year-old Nathaniel Schull at The New York Eye and Ear Infirmary in Manhattan. (Jan. 17, 2011)

Dr. Kenneth Rosenthal applied to the U.S. Food
(Credit: Newsday / J. Cornad Williams Jr.)

Dr. Kenneth Rosenthal applied to the U.S. Food and Drug Administration through a so-called “compassionate-use device exemption,” a protocol required when medical implants have not been cleared by the agency. (Jan. 17, 2011)

The German-made iris device is used in Europe,
(Credit: Newsday / J. Cornad Williams Jr.)

The German-made iris device is used in Europe, but has not been approved in the United States. The company hopes to work with U.S. physicians to conduct clinical trials in this country, Dr. Kenneth Rosenthal said. (Jan. 17, 2011)

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Within 24 hours of Dr. Kenneth Rosenthal implanting
(Credit: Newsday / J. Cornad Williams Jr.)

Within 24 hours of Dr. Kenneth Rosenthal implanting the artificial iris, his patient experienced a transformation so dramatic that the teen's left eye went from legal blindness to 20/40 eyesight — near-normal vision. The iris helps regulate light. (Jan. 17, 2011)

An artificial iris implanted by Dr. Kenneth Rosenthal
(Credit: Handout)

An artificial iris implanted by Dr. Kenneth Rosenthal has restored sight to Nathaniel Schull’s left eye. Schull, of West Haven, Conn., chose the color to match his best friend Jeffrey Rodriguez’s green eyes. The 17-year-old will have surgery on his right eye in a few months. (Jan. 14, 2011)

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