Term
| Name three types of preferential viewing (forced choice) for infants. |
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Definition
Teller/Keeler-put cards behind a board and look through the peephole, decrease the grating of the cards until the infant is looking evenly at the grating and the blank field Richmond Face Dot Broken Wheel-ask which car has a broken wheel, good for rowdy kids
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Term
| Up until what age should the OKN response be asymmetric? |
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Definition
| 3 to 4 months of age, after which it should be symmetric |
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Term
| Name three types of optotypes for measuring VAs? |
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Definition
LEA-what I stole at the vision screenings, good cause they're built on a Logmar scale HOTV-the downside is that as the kid is blurred out, he can still tell an O from an H Allen-bad because they don't blur out evenly and pictures are outdated
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Term
| Why do retinoscopy at near first on an infant? |
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Definition
| Infants don't look any further than 3 meters away. |
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Term
| What type of lens would you use if the kid won't sit behind the phoropter? |
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Definition
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Term
| Name four tests that can be used to measure an infants ocular alignment and motility. |
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Definition
Cover Test Worth Four Dot Hirschberg Bruckner
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Term
| Which three tests check for ocular alignment and binocularity? Which tests for gross motor fusion and takes up a larger stereo arc? |
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Definition
Randot Sterotest Stereo Fly KBB (Keystone Basic Binocular)
KBB takes up a larger arc, and is used on 18 month olds to test for binocular fusion. |
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