Zeiss Humphrey II-i series, User Manual

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Setting-Up Tests
Humphrey Field Analyzer II-
i
series User Manual 2660021145640 A
3-12
3
For the right eye, select SPHERE.
The trial lens cannot be calculated without you providing the patient’s
date of birth. If you have not entered the patient’s date of birth, enter
it at this screen by pressing DATE OF BIRTH.
Note: The Date of Birth button is disabled when recalling
patients from any source.
4
Enter the patient’s distance sphere correction. Always remember to
enter a plus (+) or minus (-) as the first character. Press ENTER.
If the patient has no sphere correction (plano), you must enter zero (0)
so that the proper trial lens calculation occurs.
5
Enter correction for cylinder and axis, if needed.
6
Repeat Steps 4-5 for the left eye.
Note: You may choose SPHERE, CYLINDER, and AXIS in any
sequence. To correct entries, reselect the command button and then
enter the correct data.
7
Select CALCULATE TRIAL LENS.