A Patient with Eye Pain Is Scheduled for Slit-Lamp Testing

A patient with eye pain is scheduled for slit-lamp testing.What should the nurse instruct the patient to do before this test?

A) Remove contact lenses before the test
B) Take nothing by mouth for four hours before the test
C) Take an over-the-counter analgesic before the test
D) Restrict intake to less than two cups of fluid before the test