3-31
■
4） The cornea waveform is formed within 2.0 – 5.0 mm from the initial
waveform.
(Range between the dotted lines in the illustration)
The following is not a requirement for capturing the measurement data, but a method
to confirm that ideal waveforms are taken. Check the following together with items i –
iv in contact mode.
v. There are no unnecessary waveforms between the initial waveform and cornea
waveform. An unnecessary waveform appears when air bubbles are contained in
the ultrasound media in the cup at the tip of the immersion attachment or the
media placed between the biometry probe and cornea.
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