OS stands for which eye?

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Multiple Choice

OS stands for which eye?

Understanding ophthalmic abbreviations helps you quickly identify which eye is being referred to. OS stands for oculus sinister, which is Latin for the left eye. In this notation system, the right eye is oculus dexter (OD), and both eyes together are OU (oculus uterque). The option about ears isn’t part of eye notation, so it doesn’t apply.

Understanding ophthalmic abbreviations helps you quickly identify which eye is being referred to. OS stands for oculus sinister, which is Latin for the left eye. In this notation system, the right eye is oculus dexter (OD), and both eyes together are OU (oculus uterque). The option about ears isn’t part of eye notation, so it doesn’t apply.

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