Around 82 are aged 50 and above.
Is there a cure for blindness.
There s also a built in control.
Doctors hope for blindness cure after restoring patients sight this article is more than 2 years old treatment for common cause of blindness could be available within five years scientists say.
Where 80 of vision disorders can either be prevented or cured is there any permanent cure for blindness suffered by the remaining 20.
Color blindness is the inability to perceive differences in various shades of colors particularly green and red that others can distinguish.
Around 82 are aged 50 and above.
But getting people to use the drops every day for the rest of their lives has proved frustratingly difficult.
Kiran musunuru another gene editing expert at the university of pennsylvania said the treatment seems likely to work based on tests in human tissue mice and monkeys.
The next one that will hit clinics is a crispr treatment for a form of blindness called leber congenital amaurosis lca.
There are three main types of blindness.
For years the only treatment for glaucoma which results from a buildup of pressure within the eye and is a leading cause of blindness among those 60 plus was medicated eye drops.
Researchers can test an intervention on one eye first.
It is most often inherited genetic and affects about 8 of males and under 1 of women.
It s a terrible disease she said.
People who are color blind usually have normal vision otherwise and can function well visually.
While there is no cure for blindness and macular degeneration scientists have accelerated the process to find a cure by visualizing the inner workings of the eye and its diseases at the cellular.
Most types of blindness are currently incurable so the risk to reward ratio for patients is high.
Share on pinterest worldwide there are an estimated 39 million people living with blindness.
In one day she had three calls from families seeking solutions to inherited blindness.
Father 35 who suddenly lost his sight aged nine is among six patients to have their vision restored by pioneering treatment that beams images directly into the brain.
Having been approved by the fda in december the treatment will be the first of its kind to be trialed in the us.
Right now they have nothing dr.