The Nurse Must Ensure That the Microscope Used in Ophthalmic

The nurse must ensure that the microscope used in ophthalmic surgery is specifically intended for safe use in eye surgery.The perioperative nurse must also be familiar with adjusting the pupillary distance (distance between pupils of the user's eyes) and diopter settings on the oculars (eyepieces) for operator vision correction to work without eyeglasses.How should the oculars be set for a user with astigmatism?

A) Set the oculars to the same diopters as the user's corrective lenses.
B) Set the oculars to the half setting of the diopters of the user's corrective lenses.
C) Set the oculars at zero;users should wear their eyeglasses.
D) None of these options are appropriate for a user with astigmatism.

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