Eyelid

Eyelid provides the opened eye ratio using the eyebrow position, the upper-eyelid position and the lower-eyelid position.

Usage

Step 1.
Prepare a photograph that the subjects eyes in the primary gaze position.

Step 2.
Expand the eyebrow and eyelid.

Step 3.
Set the red marks on the corneal limbus.

Step 4.
Using / buttons, set the green marks on the eyebrow, the upper eyelid margin and the lower eyelid margin.

Step 5.
Then showed the upper eyelid position (UEP), eyebrow position (EBP) and opened-eye ratio(OER).

Topic

- You can change the initial corneal size (transverse diameter and longitudinal diameter) .

- Eyelid has the camera with a sprit level.
Therefore you can get a straight photograph.

- You can save the result as a JPEG format.

Caution

Eyelid is not the one to diagnose any illness.,

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