Quick rule of thumb to determine you have deep set eyes or bug eyes

[Enenra]

Put a finger (as straight as possible) on your browridge and your undereye support, if the eyeball (not your eyelids) doesn't touch your finger you are good. Even better is that if you can blink your eyes with that finger on without problems.

 

[Deleted member 18544]

or just look in the mirror

 

[Enenra]

or just look in the mirror

Mirror can be deceiving since mirror is only 2 dimensional

 

[NFA PB]

Look in the mirror

 

[Deleted member 19766]

What about sideways (Lateral orbital rims to nose bridge)?