Comment on The Lineart Tutorial by sashas

I have a question. My biggest problem is that i feel that my lineart isn't very visible or doesn't pop very well, but I want to keep the details in my drawing. Is there a way to fix that? for example I want the lineart  on my characters eyes to show the details without become so thick to the point that the details aren't there anymore.  Heres an example of how my art is and what i would like my lineart to look like or closer to what I want it to look like

  This ones better, but not exactly what I want  My Drawings    





img4.bato.to/comics/2015/07/26…

i.imgur.com/zI6CKlw.jpg

i6.mangareader.net/dr-duo/21/d…

www.readmanga.eu/files/716-466…

i.stack.imgur.com/Qafwh.jpg

vignette4.wikia.nocookie.net/t…

 Or even the way you do it while keeping the details visible with nice and thick lineart.