Term
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Definition
misalignment or “crossed eyes”
Lack of coordination of eye muscles
Eyes appear misaligned to the observer
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Term
|
Definition
(“Lazy Eye”)
¡Reduction of central vision in a normal eye
¡Occurs from untreated strabismus
¡Can cause ↓vision in one or both eyes
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Term
Eye
Screening Tests
Cover - Uncover Test
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Definition
| 1 eye covered/uncovered - watch for deviation in alignment, & muscle weakness |
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Term
Eye
Screening Tests
Corneal light reflex (Hirschberg test)
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Definition
¡Assesses parallel symmetry of eyes
¡Light is shone into corneas, light should reflect at same spot in both eyes
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Term
|
Definition
¡Occlusion therapy – patch good eye - forces use of weak eye
¡Compensatory lenses
¡Surgery
¡Eye exercises
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Term
|
Definition
¡Occlusion therapy
¡Compensatory lenses
¡Eye exercises (occasionally)
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Term
Eye
Refractive Impairments
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Definition
lVisual disturbances
recognized & treated promptly.
Prevents/impairment or loss of
visual acuity.
lVisual acuity assessed as
soon as child can cooperate
with examiner.
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Term
Visual Disorders
Hyperopia |
|
Definition
farsightedness
Most children have some degree
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Term
|
Definition
nearsightedness
Develops around 8 years |
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Term
Visual Disorders
Astigmatism
|
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Definition
| Curvature of the cornea or lens |
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Term
Visual Impairment
Congenital defects:
|
|
Definition
cataracts, tumors, glaucoma, anatomical anomalies
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Term
Visual Impairment
caused by.....
|
|
Definition
Birth trauma: damage to visual centers of brain
Trauma: primary cause of blindness in older children
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Term
|
Definition
Inflammation of conjunctiva (pink-eye)
Cause: bacteria, viruses, allergens, trauma, or irritants
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Term
|
Definition
excessive tearing, purulent exudate, itching,
burning, mild photophobia, or feeling of “scratchiness,”
crusting on lids & lashes.
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Term
Conjunctivitis
Viral
VS
Bacterial |
|
Definition
Viral - usually bilateral
Bacterial - more purulent
& unilateral, very contagious
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