Amblyopia

From WikiMD's Wellness Encyclopedia

Amblyopia, commonly referred to as lazy eye, represents the most frequent cause of vision impairment in children. It is a medical condition in which the brain and one eye fail to work together effectively, despite the eye appearing normal. This results in diminished vision in the affected eye as the brain favors the other eye.

One lazy eye
Lazyeye

Causes of Amblyopia[edit | edit source]

Amblyopia is typically brought about by conditions such as:

  • Strabismus: A condition where the eyes do not align correctly, with one or both eyes turning inward, outward, upward, or downward.
  • Refractive Anisometropia: This is when there's a significant difference in the refractive errors of the two eyes, leading to one eye being more nearsighted (myopia), farsighted, or having more astigmatism than the other.
  • Other Eye Conditions: Less frequently, conditions such as cataract (a clouding of the eye's lens) can cause amblyopia.

Diagnosis and Treatment[edit | edit source]

Early detection and treatment of amblyopia are crucial for successful outcomes, as the condition typically persists into adulthood if left untreated during childhood. Screening for amblyopia is a routine part of pediatric eye exams.

Treatment strategies aim to stimulate the affected eye and encourage the brain to utilize it. This can be achieved by:

  • Corrective Eyewear: Glasses or contact lenses may be used to correct refractive errors.
  • Patching: Covering the stronger eye with a patch to force the brain to rely on the weaker one.
  • Pharmacological Therapy: Atropine eye drops may be used to blur the vision in the stronger eye, encouraging use of the weaker one.

Epidemiology[edit | edit source]

Amblyopia affects approximately 2%–3% of the population, making it a prevalent cause of monocular vision impairment among children and adults in their young and middle ages.


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Amblyopia Resources
Wikipedia
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Contributors: Prab R. Tumpati, MD