Pediatric Ophthalmology - Children`s vision screening
The first years of a child's life are essential for development of vision. Various
causes can lead to amblyopia, or better known as 'lazy eye'. High myopia (short-sightedness),
hyperopia (being longsighted) or astigmatism are refractive errors that may hinder the
development of vision if not detected early. Strabismus is also a common cause of vision impairment in children.
Parents should be aware of the fact that we can deal with vision development problems up to a
certain age. Preventive vision screening of children is therefore very important in order to
exclude any vision impairment or treat it as soon as possible when necessary.
Amblyopia - Strabismus
What does it mean - What are their different types?
Strabismus or else the "crossed-eye" means an eye that does not properly align with the fellow eye.
- upward or
- downward. It may also be
- intermittent or
It occurs both in children and at older ages and quite often the problem is not just aesthetic.
At older ages, strabismus that appears suddenly causes double vision (Diplopia) and requires
urgent assessment since it could rarely conceal a life-threatening disease.
Pseudostrabismus is common in infants.
The wide bridge of the child's nose gives the impression that one eye "turns" inward.
There are various causes of pseudostrabismus related to face or eye anatomy features (figure 1).
Pseudostrabismus does not require any treatment and a simple examination by an Ophthalmologist shall
dispel any doubts.
Amblyopia means vision impairment without apparent organic damage in
the eye and is also known as "lazy eye". Amblyopia has various causes, however high
refractive errors and strabismus are the most frequent ones.
What should parents be aware of - Prevention
At the age of 2 parents should take their child to a pediatric ophthalmologist for a routine screening.
In case of detection of any high refractive error (myopia, hyperopia or astigmatism) or other pathology,
the eye doctor has the chance to deal with it in time. The diagnosis of a high refractive error
imply the use of retinoscopy, which is the only objective way of examination, especially in young
children who cannot cooperate properly within the examination room.
Strabismus has various forms, some of which are mild and easily treatable. Some other forms are
more complex. If parents notice that their child's eye "squints", they should immediately
consult a pediatric ophthalmologist. Safe assessment and evaluation of the cause of strabismus
in children can be done even from the age of 6 months.
The first years of a child's life are especially critical for developing healthy eyes.
Strabismus is not the only cause of reduced vision. High myopia, hyperopia or astigmatism may
lead to "lazy eye", if not detected early. Therefore, early vision evaluation by the ophthalmologist
is highly important in order to exclude any vision impairment or treat it as soon as possible
when necessary. In any case, parents should consult a specialist as a preventive measure
or immediately if they notice something abnormal.
If necessary, a surgery is performed at any age, even from 6 months old. The surgery is performed
on the outer part of the eyeball, on the eye muscles, the "threads" responsible for the
eye movements. We proceed either by "loosening" or "tightening" the non proper functioning muscles.
Digital content is courtesy of Alcon Iberia.