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ABO NOCE Basic Opticianry

Category - Ophthalmic Optics

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If you have a prescription written for 2 BO, OU, what does that mean?

2 base out and 2 base up
Referred to as a yoked prism
2 base out in both eyes
1 base out in both eyes

Explanation

Answers: B and C - A prescription written for 2 BO, OU means 2 base out, OU means both eyes.

A yoked prism is one that has equal prisms in the spectacles for both eyes and does not cause the eyes to converge or diverge relative to one another.

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