IMPROVED techniques for corrective laser eye surgery could give people much
better eyesight than those with so-called normal vision, say researchers in the
US.
Jim Schwiegerling, an ophthalmologist at the University of Arizona in Tucson,
says customised surgery could take patients to the theoretical limits of human
vision. People would be able to pick out small objects from twice or maybe even
four times as far away as those with normal or 20/20 vision. Fewer than 5 per
cent of people are born with such super-vision.
Poor eyesight is caused not only by short and long-sightedness, but by
asymmetries in…
