Which label indicates the left eye?

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Multiple Choice

Which label indicates the left eye?

In eye labeling, the left eye is indicated by OS, which stands for oculus sinister. In medical notation, OD means the right eye (oculus dexter), OU means both eyes, and a random letter like X isn’t a standard eye designation. So OS correctly identifies the left eye.

In eye labeling, the left eye is indicated by OS, which stands for oculus sinister. In medical notation, OD means the right eye (oculus dexter), OU means both eyes, and a random letter like X isn’t a standard eye designation. So OS correctly identifies the left eye.

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