• Laser surgery and other fixes for vision woes      LASIK
procedure can offer an alternative to glasses, contacts   •
PORTSMOUTH — Glasses are fashion accessories today. For those
who do not agree, there are contact lenses.     • email print
For a longer fix for people who are facing challenges to their
vision, there is LASIK surgery. And now, lasers are being
routinely used in cataract surgery as well. One down side to
this option is that none of the procedures are covered by health
insurance since they are considered elective surgeries and not
medically necessary.     Problems in the human eye are caused by
a variety of what are called refractive errors, meaning a
problem exists with the front surface (cornea) and/or lens
inside the eye, which form the eye's focusing system and are
primarily responsible for focusing incoming light rays onto the
surface of the retina, much like the way lenses of a camera
focus light onto the film.     In a perfect optical system, the
power of the cornea and lens are per