Gilras GRK-7000, User Manual

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42 Auto Ref/Keratometer GRK-7000 -------------------------------------------------------------
-As the message of TRY AGAIN happens, please refer to the explanation below.
In case of TRY AGAIN (Management)
Poor position adjustment
Measure it after adjusting the exact position
again.
As eyelid or eyelashes hi
de the pupil
Let the examinee open the eye wide, or me
asure it while pushing the upper eyelid of e
xaminee upward.
As the pupil is smaller t
han Alignment Ring
This machine’s measurable min radius of pu
pil is 2.0mm. Though it is possible to measu
re in the bright place, make sure that the b
right illumination or sunlight shall not shed
directly on examinee’s eye.
As the examinee has the
disease such as cataract
Impossible to measure
As the examinee has IOL
implanted
As measuring the refractive power of eye im
planted with IOL, measure it in IOL mode.
As Mire Image looks as
if it changed to tears Measure after letting the examinee blink sev
eral times.
As it exceeds the possibl
e range of measurement
Impossible to measure