To Attach The Manual Trial Lens Holder; Use Manual Trial Lenses; To Insert Lenses Into The Manual Trial Lens Holder - Zeiss Humphrey Field Analyzer 3 Instructions For Use Manual

4-6
Setup and Testing
3. Lever the detachable lens holder off the base of the shaft.
Note: Be careful not to touch the inside of the bowl with your hand or the lens holder.
4. Tilt the lens holder and move it out of the bowl.

To attach the manual trial lens holder:

1. Place the end of the manual lens holder over the lower portion of the shaft.
2. Move the detachable lens holder down the shaft until it stops.
3. Turn the detachable lens holder until it is facing front and you feel the positioning notch.
4. Push the detachable lens holder down until it seats in place.
5. Touch the Live Eye monitor located on the left of the screen to move the chin rest back up to
the approximate desired location for the patient.
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A
HFA3 Instructions for Use

Use Manual Trial Lenses

To insert lenses into the manual trial lens holder:

1. Use the Trial Lens values on the Test screen to locate the correct
trial lens for the eye to be tested. Change distance refraction and
trial lens information in this screen by selecting a particular field.
2. Move the trial lens holder into an upright position from its storage
position in the bottom of the bowl by putting a finger(s) under the
lens holder from the outside and lifting (Figure 3-1, A).
3. Place the cylinder lens, if indicated, in the slot farthest away from
the patient and align the axis (Figure 3-1, B).
4. Place the sphere lens in the slot closest to the patient (in front of
the cylinder lens) (Figure 3-1, C).
B
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2660021166131 Rev. A 2018-11