Emotional imbalances are held in the body near the corresponding chakra. IE, people who are repressing their true opinions or feel they can't speak up about something might feel a tightness in their throat near the fifth chakra. Kids with a guilty conscience get tummy aches near the third chakra, etc.
Your sixth chakra, the "third eye" between your brows, holds your vision, intuition, perception, imagination, etc. An imploded third eye would result in closed-mindedness, dullness, etc-- and would look like mean, dead, beady little eyes. Not necessarily "small" eyes physically, but you know it when you see it. (Chantal Saurault comes to mind.)
Think of Mr Burns. He has a hump/caved in chest, like his heart is imploded and small. His forehead is big and juts forward-- analytical, logic and math more important than feelings-- but his eyes are half-closed compared to other Simpsons characters, because he's closed-minded and doesn't want to see any truth that doesn't serve him. He was designed based on commedia del arte, not with chakras in mind, but the traits are spot on. A lot of cartoon characters are like that. Superman has a big, heroic puffed out chest (big heart) with an open face (open mind) but tiny little feet that literally float off the ground (disconnected from family of origin.) Whereas Batman tends to be drawn with his heart collapsed, his vision obscured by his cowl and his eyes not visible (closed minded), and his cape pulling him down and connecting him to the earth in a big protective veil (TOO connected to family of origin.)
ANYWAY. In contrast to an imploded third eye, an exploded one is associated with hallucinations, delusions, and complex mental illness, and results in a "crazy eye" look. The bulging eyes and that thing where you can see the white above/below the pupil (I forget the word- sanpuku?). With chakras, that would mean the person's perception is all fucked up. They're seeing too much of their own imagination and feelings and not enough real stuff. A lazy eye would mean the person is not "seeing straight" in their life.
Chakra stuff is really interesting, especially if you're a performer or artist, IMO. I think it's also really useful for therapy, if you're trying to get out of a rut or deal with old unresolved issues. Like a helpful metaphor. But it's not science.