Operation Manual
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5.5.4. Fixation Disparity Test
Press ‘OK’ button to enter Fixation Disparity Test.
1. Press Arrow right or Arrow down to move the red bar right/down.
2. Press Arrow left or Arrow up to move the red bar left/up.
3. Press ‘OK’ button to rotate red-green bars 90° clockwise.
5.5.5. Hearing and Speaking Impaired Tests
The Chart Panel allows for communicating with hearing and speaking impaired
patients not only during a regular examination, but also when they are being
refracted. This mode is designed to enable giving instructions and asking questions
of deaf patients. It also allows a proper examination of mute patients.
By displaying green and blue bars at the top and bottom of the display, the Smart
Chart makes it a simple task to deliver questions and instructions to the patient.
The meanings of these bars can be adapted by each practitioner, according to their
needs and the level of patients’ disability. Below, we present one way of asking
questions and giving instructions. However, if it does not fit your style of
examination, change and modify it to make it more useful for you. We also suggest
you write down your instructions and present them to the patient before conducting
any tests.
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