Eyes that noticeably show the whites around most of the iris during a state of rest. Can also indicate anger, exhaustion, or a dangerous demeanor. Sometimes referred to as "Dead fish eyes" among Western speakers.

The Japanese expression literally translates to "three white" as in the whites of the eyes being visible to three of four sides of the iris when the person with sanpaku eyes is looking straight ahead or when their eyes are at rest. 
The most extreme form is called [i]shihakugan[/i], meaning "four-white eyes".

h4. Examples

* !post #4905216
* !post #7732758
* !post #2470147

h4. See also

* [[jitome]] - eyes topped with a flat line
* sanpaku - eyes that show white primarily above or below the iris
* [[tareme]] - eyes with a rounded, drooping shape
* [[tsurime]] - eyes with an upward outer "point"
* [[upturned eyes]] - eyes also with whites visible below the iris, but with a soft, gentle expression looking upwards rather than a harsh or unhinged one.
* [[wide-eyed]] - eyes that show white around normal iris
* [[Tag Group:Eyes tags]]

h4. External links

* Pixivision: "Drawings of Girls with Sanpaku Eyes - Strength is in the Eyes":[https://www.pixivision.net/en/a/5822]
三白 三白眼 四白眼