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 subject's 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.