Testing Procedure

Patient Answer

The clinician only have to press the button corresponding to the answer given by the patient. If the patient fails in the answer or do not recognize the grating orientation the empty button in the bottom position should be pressed. 

Attention!: Resolution of the example image does not correspond with the High Definition quality of the Sinusoidal Grating in the App. 

Remote Control

Another IOS device can be used as remote control, for this purpose open the app in the remote control device and press over the top-right button that will appear on the iPad screen during the testing.

Attention!: Resolution of the example image does not correspond with the High Definition quality of the Sinusoidal Grating in the App. 

Exam Finished

Once all the defocus range has been measured, the exam will automatically finish and the Contrast Sensitivity Function will be seen in the database pressing over the exam. If you repeat the test over the same exam, the previous measurement will be replaced by the new one.

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