Vision plays an important role in most everyday activities.
Consistent with this, people with visual impairment are usually faced with
significant challenges in their daily activities. In children, such activitiesinclude playing, reading, socialisation and taking care of their daily needs.
In the paediatric ophthalmological field, visual problems include high
refractive errors, binocular disorders, depth perception deficiency, amblyopia
and ocular pathology. These visual impairments in children potentially causepsychological and functional changes and could affect educational and social
prospects and may thus impact on vision-related quality of life (VRQoL).
Amblyopia is usually defined as a unilateral or bilateral
reduction in visual function caused by abnormal visual input resulting from
degradation of the retinal image during a sensitive period of visual
development, which historically has been thought to be the first seven years oflife.
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