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Amblyopia, also called lazy eye, is a disorder of sight in which the brain fails to fully process input from one eye and over time favors the other eye. [1] It results in decreased vision in an eye that typically appears normal in other aspects. [ 1 ]
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In general, the younger the child, the greater the urgency in removing the cataract, because of the risk of amblyopia during development. For optimal visual development in newborns and young infants, a visually significant unilateral congenital cataract should be detected and removed before age 6 weeks, and visually significant bilateral ...
Symptoms: Near blur, Distance and near blur, Asthenopia [2] Complications: Accommodative dysfunction, binocular dysfunction, amblyopia, strabismus [3] Causes: Axial length of eyeball is too short, lens or cornea is flatter than normal, aphakia [2] Risk factors: Ageing, hereditary [2] Diagnostic method: Eye exam: Differential diagnosis
In young children with any form of strabismus, the brain may learn to ignore the misaligned eye's image and see only the image from the best-seeing eye. This is called amblyopia, or lazy eye, and results in a loss of binocular vision, impairing depth perception. In adults who develop strabismus, double vision sometimes occurs because the brain ...
Consequently, amblyopia is the world's leading cause of child monocular vision loss, which is the damage or loss of vision in one eye. [59] In the best case scenario, which is very rare, properly treated amblyopia patients can regain 20/40 acuity.
However, a constant unilateral strabismus causing constant suppression is a risk for amblyopia in children. Small-angle and intermittent strabismus are more likely to cause disruptive visual symptoms. In addition to headaches and eye strain, symptoms may include an inability to read comfortably, fatigue when reading, and unstable or "jittery ...
For children aged 1–2 years old, visual acuity can be tested by Worth's ivory ball test, Boeck's candy test, the "Screening Test for Young Children and Retards", and Cardiff's acuity test. [4] For children aged 2–3 years old, visual acuity can be tested by miniature toy test, coin test, and LEA symbols tests. [4]