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29 Cards in this Set
- Front
- Back
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What vergence testing technique uses the 8BI/12BO flippers?
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vergence facility
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In Fecho's class the break/recovery for NPC is 5/7cm. What about in bartuccio's notes?
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7/11cm
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If you are testing a pt with convergence insufficiency, which NPC test will be more receded, the accommodative target or R/G with transilluminator? Why?
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R/G because there is no accommodation to pull in convergence (accommodative convergence)
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Unilateral cover test reveals direction and laterality but does not reveal ____.
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magnitude
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The image is located ____ than the real target with BO convergence demand. According to Emmert's law, this will also cause the target to appear ____.
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closer; smaller (SILO)
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When training BO, adding ____ lenses can increase difficulty of the task.
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plus (BIM/BOP) (they reduce the accommodative convergence, thereby increasing the demand for more positive fusional vergence).
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What order should you perform vergence therapy in? (using jump, smooth, step)
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smooth-->step-->jump
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What's the goal of bug on a string?
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voluntary convergence
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On Brock string, if the right eye is suppressing, which string will be missing?
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the one originating from the left eye
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With Spirangle, if you are doing,BO training, the center spirals will be ____ the patient if SILO is present.
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toward
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The Clown vectogram has relative ___ at the zero position
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BI
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With Mother Goose, mary and the lamb are ___, humpty dumpty is relative ___ and old king cole is relative ___.
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ortho; BI; BO
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Which of the vectograms is a single vectogram (as opposed to a double)?
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Figure 8
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On Chicago Skyline, on the R vectogram the right eye sees ___ and on the L vectogram the left eye sees ___.
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chicago; chicago (the other eye sees the other target...suppression check)
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On vectograms, the numbers are ___ and the letters are ___.
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BO; BI
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What is the name of the illuminated stand that vectograms are put on?
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polachrome orthoptic trainer
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To evaluate parallax with the clown vectogram, the clown should move in the ____ direction as the patient's movement with BO disparity.
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same
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with tranaglyphs, the red filter which is usually placed over the right eye can only see the green target. if the green target is moving to the left, then the patient is training ____.
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convergence (BO)
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When using the bernell-o-scope and correct-eye-scope, ortho is how many mm apart?
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68mm
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With the bernell-o-scope and correct eye scope, the BI demand can be increased by moving the target ____ from the infinity setting.
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closer (BIM)
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With aperture rule, the single aperture requires the patient to fuse ____ targets i.e. ___ stimuli.
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crossed (BO)
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With the single aperture, vergence is ____ the target (where?)
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in front of
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On the lifesaver cards, which set of circles is the smallest and closest when fused? why?
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the uppermost set of circles because the BO demand is increasing from bottom to top
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On lifesaver cards, the BO and relative BI stimulus to convergence depends on what 3 things?
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distance held, PD, and separation of the targets
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T or F: with the opaque lifesaver cards/eccentric circles, BI and BO ranges can both be acheived
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F...only BO (need transparent ones for BI)
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T or F: We train with tranaglyphs before vectograms
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F
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T or F: The wheatstone stereoscope has 1st, 2nd, and 3rd degree fusion targets
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T
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On the forced vergence fixation disparity card (aka Wesson fixation disparity card), the left eye sees the ___ and the right eye sees the ____.
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arrow; colored lines
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On the Wesson fiaxtion disparity card, if the arrow points to the left side of the card, the patient exhibits ___ fixation disparity.
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ESO
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