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11 Cards in this Set
- Front
- Back
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What refraction do you expect at birth?
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Mean = +2.00, hyperopia decreases from here
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What refraction do you expect at 10 and 20 weeks?
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Plano to +4.00 hyperopia
Extreme rx's often do not emmetropitize |
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Describe astigmatism in infancy?
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ATR generally, disappears by 2years.
We also become more ATR when we age. |
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When is accommodation at adult levels?
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6 months
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How does retinal development progress
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Center to Perphery
Adult like by 1 year |
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Describe hyperacuity and resolution acuity
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Develop quickly during first year, slowy after that. HA matures before RA
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When does stereo develop?
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3-6 months
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Which develops faster Temporal or Spatial Vision?
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Temporal
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What is RA in infancy and when is it adult like?
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20/600 at 1 month
Adult like by 4-5 years |
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At what age should you expect functionally developed vision?
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6 months. Stereo, Bino, Color moderately developed by then.
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Describe the occulomotor system in infants?
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(1)Infants can generally fixate at birth.
(2)Then they mainly use saccades for all eye movements. (3)Until they develop pursuits by 3 months. |
