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PEDIATRIC -Ophthalmology
Babies
Vision
Childhood
Reading Problems
Children and Vision
Strabismus
Babies'
Vision
Parents
should be aware of signals of poor vision. If one eye turns or crosses,
that eye may not see as well as the other eye. If the child is uninterested
in faces or age-appropriate toys, or if the eyes rove around or
jiggle (nystagmus), poor vision should be suspected. Other signs
to watch for are tilting the head and squinting. Babies and toddlers
compensate for poor vision rather than complain about it.
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Childhood
Reading Problems
When
children have difficulty reading, parents often think poor vision
is the problem. If a visit to an ophthalmologist rules out any medical
or vision problems, it may be a learning disability.
A
learning disability is a disparity between a person's ability and
performance in a certain area. It has nothing to do with intelligence
or IQ. A learning disability can make it difficult to succeed in
school and, if untreated, gets worse, causing a child to lose self-confidence
and interest in school.
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Children
and Vision
People
are often confused about the importance of glasses for children.
Some believe that if children wear glasses when they are young,
they won't need them later. Others think wearing glasses as a child
makes one dependent on them later. Neither is true. Children need
glasses because they are genetically nearsighted, farsighted, or
astigmatic. These conditions do not go away nor do they get worse
because they are not corrected. Glasses or contacts are necessary
throughout life for good vision.
Unlike
adults, children who need glasses may develop a second problem,
called amblyopia or lazy eye. Amblyopia means even with the right
prescription, one eye (or sometimes both eyes) does not see normally.
Amblyopia is more likely to occur if the prescription needed to
correct one eye is stronger than the other. Wearing glasses can
prevent amblyopia from developing in the more out-of-focus eye.
Children
(and adults) who do not see well with one eye because of amblyopia,
or because of any other medical problem that cannot be corrected,
should wear safety glasses to protect the normal eye.
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Strabismus
Strabismus
refers to misaligned eyes. If the eyes turn inward (crossed), it
is called esotropia. If the eyes turn outward (wall-eyed), it is
called exotropia. Or, one eye can be higher than the other which
is called hypertropia (for the higher eye) or hypotropia (for the
lower eye). Strabismus can be subtle or obvious, intermittent (occurring
occasionally), or constant. It can affect one eye only or shift
between the eyes.
Strabismus
usually begins in infancy or childhood. Some toddlers have accommodative
esotropia. Their eyes cross because they need glasses for farsightedness.
But most cases of strabismus do not have a well-understood cause.
It seems to develop because the eye muscles are uncoordinated and
do not move the eyes together. Acquired strabismus can occasionally
occur because of a problem in the brain, an injury to the eye socket,
or thyroid eye disease.
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