Term
What phenomena says that we can see an object at a lower threshold with two eyes than with one? |
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Definition
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Term
What phenomena allows for 360 degrees of vision? |
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Definition
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Term
How much do human visual fields of each eye overlap? |
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Definition
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Term
What part of the visual field is seen by each eye alone? |
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Definition
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Term
How do you distinguish eccentric viewing and eccentric fixation? |
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Definition
Eccentric viewing is voluntary |
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Term
How do you know if a patient has eccentric fixation. |
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Definition
Ask them to look directly at the opthalmoscope. If you don't see the fovea in the middle, they're using an extrfoveal point to fixate. |
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Term
What causes past pointing? |
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Definition
a paretic eye muscle, the patient has to send more neural signal than it should to move his eye to a point in space |
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Term
What is the name for a given position of the eye in the head, objects lying on the same line of sight are seen in the same headcentric direction? |
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Definition
law of head centric localization |
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Term
The eye that is open when you see the target through your hands is the ____ eye? |
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Definition
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Term
To which eye do you supply the better correction? |
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Definition
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