Selecting the Eye and Lid

Before acquiring a test, make sure OSDx is set to the correct eye. For meibography, the correct lid must also be selected.

Automatic right-eye / left-eye detection

Most versions of OSDx provide automatic right-eye / left-eye (RE/LE) detection. As the device is moved from side to side, OSDx automatically changes the selected eye.

Some versions, including certain slit-lamp-mounted configurations, may not have automatic RE/LE detection. The square RE/LE detection indicator on the bottom toolbar shows whether automatic detection is available.

Green — automatic RE/LE detection available Orange — automatic RE/LE detection unavailable
OSDx eye selection mode and Start/Stop controls
Eye-selection mode controls on the bottom toolbar.

Manual eye selection

When OSDx is in manual eye-selection mode, use the Right eye and Left eye buttons in the upper toolbar to select the eye being examined.

OSDx Right eye and Left eye selector
Right-eye / left-eye selector in the upper toolbar.

When automatic eye detection is active, these buttons are disabled and OSDx changes the eye automatically according to the position of the device.

If automatic detection is available, it can be disabled using the Manual override control on the lower-left toolbar. Manual override is generally not recommended when automatic detection is working normally.

Changing eyes during an examination

Changing the selected eye interrupts the current acquisition. If the current test contains unsaved data, OSDx will prompt you before moving away from it.

Unsaved tests are retained during the session. If you choose not to save immediately, you can return later by selecting the same test and eye and then complete, review or save the test.

Meibography: selecting the lid

Meibography requires both an eye and a lid selection. Lid selection is manual. Before capturing or processing a meibography image, confirm that the selected eye and the selected lid correspond to the image being examined.

Important: An incorrect eye or lid selection can cause the image and analysis to be stored under the wrong examination location.