Vision of the future: new adaptable lens to prolong sight of aging eyes

  • 9 years ago
As we age our eyes lose their ability to focus quickly on near and far objects. Presbyopia is a common problem that comes with aging, but its causes are not yet fully understood. There is
evidence that the crystalline lens inside the eye loses its elasticity and therefore its distance-focusing capabilities.

María Jesús Blanco Montes’ case is typical. “After the age of 40 or so my near vision started to become poorer,” she says. “I would rather not have to wear reading glasses, so that’s why I came to the hospital looking for a solution to that problem.”

Eye surgeons can replace the stiffened crystalline lens with an artificial implant, such as a multifocal lens that allows the recipient to see near and far objects clearly. That’s often done in cataract surgery, but multifocal lenses are not perfect.

Ignacio Jiménez-Alfaro Morote, who heads the ophthalmology department at the Fundación Jiménez Díaz Hospital in Barcelona says current treatments are limited: “It would be ideal to

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