GlassesOff iPhone to be launched next year, people who normally read on after the age at which they would otherwise need glasses, its developers said.
It works by training the mind to blur the clear, to compensate for the deterioration of the eye that prevents us from focusing on nearby objects.
Uri Polat, Tel Aviv University in Israel and co-founder Ucansi, the company that designed the software, told the magazine New Scientist: "We use the brain as the glasses."
When we reach our fifties lenses in our eyes become less flexible, which means it is harder for them to focus on objects close to us.
The new application appears to groups of blurred lines is known as Gabor patches at multiple points across the screen and the user must identify when you look in the middle.
After use, the app 40 times, the average age of 51 users can read the two lines below the diagram of a 40 cm optical placed on their faces - reduction of the "Eye Age" from 50.5 to 41.9 years.
They were also able to read the page, the New York Times, an average of 5.3 minutes, while more than 12 minutes before using the application.
App should cost around £ 60 for three-month training program, after which a small monthly top-up payment of less regular "maintenance" exercises.
Lee Duffner, an ophthalmologist based in Hollywood, said the technology could postpone the need for older people to buy reading glasses.
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