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A member asked:
What is the name of the eye exam where you have to line up the horizontal/vertical bars and what is the test used for?
3 doctors weighed in across 2 answers
Maddox rod: It is used to test for ocular alignment (crossed eyes).
Answered 1/31/2014
4.5k views
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Maddox rod test: Refers to the use of red and white lenses over your eyes to determine the degree of double vision you may be having. Prisms are used over these rods to line up these bars. This determines the angle of deviation causing your double vision.
Answered 1/31/2014
4.5k views
Thank
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