|
Dear Concerned Parent,
Chances are your child
is farsighted. In this condition, the eye is too short,
usually only by a fraction of an inch... As a result, the
person sees distant objects clearly by flexing the muscle
inside the eye (That's why your kid passes the screening,
which tests for deficits in distance vision under conditions
where the eye muscle is allowed to work!)
The problem arises when
the person attempts to view near objects, such as typed
words... In this situation, the eye muscle has to do double
work focusing the lens to compensate for the amount of
Farsightedness, PLUS focusing the lens for the near-work...
The optometrist is able
to accurately quantify the amount of farsightedness, or
"hyper-metropia" by temporarily relaxing the eye muscle
(using an eye drop). Convex lenses compensate for the
refractive error, allowing the afflicted person to see without eye strain.
|
|
