Huvitz HOCT-1, Руководство пользователя

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HOCT-1/1F
①
Check previous/next OCT image by move scan position handle.
② Check continuous OCT image continuously by pressing play image icon ( ) if needed.
③
Check SSI for image quality if needed.
SSI (Scan Signal Index) indicates level of image quality. SSI means signal to background ratio and
displayed on a scale of 10 with a bar graph. SSI larger than 8 means ‘Good’, 5~8 means ‘Normal’,
less than 5 means ‘Poor’ in general.
We recommend capture normal or good status in general. But, you don’t have to retry when image is
satisfactory but SSI is low, because SSI depends on patient’s eye conditions.
④
If the image is satisfactory, press OK icon ( ) to save image.
⑤ If the image is not satisfactory, press retry icon ( ) and retry image capturing.
A.
If fundus image result too bright or too dark because of lighting, regulate the flash intensity using
flash icon ( ) in observation mode.
B.
Try moving internal fixation target position by pressing fixation icon ( ) and changing
position of green cross ( ) if needed.
When green cross position changes, the position of internal fixation target is also changed.
C.
Try to change scan position by dragging scan range while scan range icon turned on. If reset
scan position icon ( ) is pressed, scan position moves to the default center position.
4.
Capture anterior chamber angle image and check image quality (in ACA line mode).
(1)
Alignment and focus.
①
Guide patient to gaze left-hand side or right-hand side according to the interested part.
② Move body with joystick slowly to align anterior scan line (A) and objective area of capturing (B).
③
Start OCT scan by pressing scan start icon ( ).
④ Move body with joystick slowly until anterior chamber appears on the screen.