Commercial laboratory, hospital, doctor's office. Technician, nurse, doctor, optician, optometrist. No changes necessary. No changes necessary. Some degree of apprehension or fear is normal and should be expected.
Discomfort disappears when the test is finished.
Operator inserts the special filter paper in the lower part of each eye. Paper is left in place for 5 minutes. Don't squeeze or rub eyes. Strip is removed. Test is repeated on the other eye.