After the instillation of certain eye drops, the pupils will be dilated and patients should wear:
A. hats
B. contact lenses
C. sunglasses
D. reading glasses
c
Rationale: Patients should be advised to wear sunglasses in bright light because after the instillation of ophthalmic drops, the pupils will be large and the eyes may be more sensitive to light than usual.
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Which of the following terms is defined as the difference between the prescription cost and the selling price?
Overhead Discount Net profit Markup