Setup and Testing Go to Contents
HFA3 Instructions for Use 2660021166131 Rev. A 2018-11
4-6
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 fr
ont and you feel the positioning notch.
4. Push the detachable lens holder down un
til 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
t
he approximate desired location for the patient.
Use Manual Trial Lenses
To insert lenses into the manual trial lens holder:
1. Use the Trial Lens values on the Te
st 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) (Figur
e 3-1, C).
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