In Listing's Plane, which axis is horizontal?

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Prepare for the NBEO Ocular Motility Test. Practice with questions and explanations to enhance your understanding. Get ready for your exam easily!

Multiple Choice

In Listing's Plane, which axis is horizontal?

Explanation:
Listing's plane is the set of rotation axes the eye uses during movements from primary position. When the eye looks straight ahead, this plane is the horizontal-vertical plane, so all instantaneous rotation axes lie in that plane. In that plane, the axis that runs left-to-right is the horizontal one, which is the X axis. So the horizontal axis in Listing's plane is X.

Listing's plane is the set of rotation axes the eye uses during movements from primary position. When the eye looks straight ahead, this plane is the horizontal-vertical plane, so all instantaneous rotation axes lie in that plane. In that plane, the axis that runs left-to-right is the horizontal one, which is the X axis. So the horizontal axis in Listing's plane is X.

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