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What is Amblyopia
(Lazy eye) ?
Amblyopia, commonly known as lazy eye,
is the eye condition noted by reduced vision not correctable by glasses or
contact lenses and is not due to any eye disease. The brain, for some reason,
does not fully acknowledge the images seen by the amblyopic eye. This almost
always affects only one eye but may also manifest with reduction of vision in
both eyes. It is estimated that three percent of children under six have some
form of amblyopia.
What causes of
Amblyopia ?
Visual development occurs rapidly in
the early years of life, and continues until approximately first 7 to 8 years
of age. If the black of the eye (retina) and the brain do not receive a clear
focused image during this time of visual development, the child's vision
development will be affected. Hence the term "Lazy Eye" or "Amblyopia".
Generally amblyopia may be caused by one or more of the following -
A) Squint
B) Difference in the spectacle correction required by each eye - Anisometropia
C) Need for a very strong spectacle
correction for both eyes
D) Obstruction to light passing
through eye - Corneal Opacity, Cataract etc.
How to diagnose of
Amblyopia ?
Since amblyopia usually occurs in one
eye only, many parents and children may be unaware of the condition. Far too
many parents fail to take their infants and toddlers in for an early
comprehensive vision examination and many children go undiagnosed until they
have their eyes examined at the eye doctor's office at a later age. A detailed
examination which may also include examination with cycloplegic eye drops can
be necessary to detect this condition in the young.
How to treat of
Amblyopia ?
Early treatment is usually simple, employing glasses,
vision therapy and / or patching of the eye. Detection and correction before at
the earliest age offers the best chance for a cure. Every amblyopic patient
deserves an attempt at treatment.
What is Eye Patching
or Occlusion?
Amblyopia is potentially correctable condition, which
is often treated by covering (occluding) the better eye with a patch in order
to stimulate the lazy (amblyopic) eye and improve vision. Amblyopia is harder
to treat above the age of 8 to 10 years. If your child is old enough, explain
the seriousness of her vision problem and the consequences of not following the
prescribed treatment plan. Kids love to be special. Decorate your child's
patches with crayons, markers, stickers, sequins. Draw holiday patches and
designs. Have fun and encourage your child to participate. Talk with your
child's teachers. Let them know what is going on with your child. Many times
they are ready to help and can explain the vision problem to other students.
What happens if
amblyopia goes untreated?
If not treated early enough, an
amblyopic eye may never develop good vision and may even become functionally
blind
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