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Paul Walker will undergo an eye procedure next week that could give him back simple pleasures such as working in the garden or leafing through a magazine.

The procedure, an experimental stem-cell treatment, has already restored some sight for two other central Ohioans and holds the same hope for Walker, a Bexley resident who is legally blind.

Are you kidding? was Walkers initial reaction when Susan Benes, a Columbus neuro-ophthalmologist, told him a few months ago that a clinical trial offered the promise of better vision.

The Stem Cell Ophthalmology Treatment Study is a federally approved trial being conducted at Retinal Associates, a medical practice near Fort Lauderdale, Fla. The study tests stem-cell treatment on people 18 and older with glaucoma, macular degeneration and various retinal disorders.

The trial, which began in August and is scheduled to run until 2017, can offer only anecdotal evidence of effectiveness at this point, said study director Steven Levy, a Connecticut doctor who is president of the consulting company MD Stem Cells.

Still, results have been encouraging in the 35 or so people treated to date.

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Stem-cell treatment may help those with severe vision problems