Amblyopia

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Amblyopia
File:Child eyepatch.jpg
Synonyms	Lazy eye
Pronounce	N/A
Specialty	Ophthalmology
Symptoms	Poor vision in one eye
Complications	N/A
Onset	Early childhood
Duration	Long term
Types	N/A
Causes	Strabismus, refractive error, cataract
Risks	Family history, premature birth
Diagnosis	Eye examination
Differential diagnosis	Refractive error, strabismus
Prevention	Early detection and treatment
Treatment	Corrective lenses, eye patching, atropine drops
Medication	N/A
Prognosis	Good with early treatment
Frequency	1-5% of the population
Deaths	N/A

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.

File:One lazy eye.jpg

One lazy eye

File:Lazyeye.jpg

Lazyeye

Causes of Amblyopia

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

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

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.

Topics in Ophthalmology

• Macular degeneration (AMD)
• Amblyopia
• Anophthalmia and * Microphthalmia
• Astigmatism
• Blepharitis
• Cataract
• Color blindness
• Cornea and Corneal disease
• Diabetic retinopathy
• Dry eye
• Floaters
• Glaucoma
• Hyperopia
• Intracranial hypertension
• Low vision
• Macular edema
• Myopia
• Pink Eye or Conjunctivitis
• Presbyopia
• Refractive errors
• Retinal detachment
• Retinitis pigmentosa
• Retinoblastoma
• Retinopathy of prematurity
• Uveitis
• Vitreous detachment

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