This test helps determine if you have unusually dry eyes. Answer should be yes. Tear volume helps determine if you have unusually dry eyes. The answer must be yes. This is an important test to determine if you will have halos or starbursts after surgery.
Dilation needs to be without medication.
The ruler method will work but the pupilometer method is better. The answer may be yes, but most doctors use one blade for both patient's eyes. You may request a new blade for each eye, but expect to pay a little more for the blade. The answer must be yes and for a significant period of time. We recommend four weeks without contact lenses, although some doctors feel two weeks is enough.