Yes. Subtle cues and visual signals point them as being INFJs, and especialy their eyes. Introverted Intuitives have a very specific look, sharp, penetrative, sometimes "zoned-out", intense and have a hypnotic quality to them, as if bored and steady. Also their eyes lead by the direction of their face, eye-centric, and they are the most prevailing aspect of the face, as if the eyes are independent from the rest of the face.
Here is a site where visual identification is explained very clear:
http://cognitivetype.com/index.html