Anatomy of Asian Eyelids

The Asian eyelid anatomy is different in few fronts but the major difference is absence of the skin attachment of the elevator mechanism which opens the eyes. There are also difference in the fat distribution that makes traditional eyelid surgery used in Caucasian eyelids different to Asian eyelids. These two major reasons combined can be part of the reason why the skin touches the eye lashes much much earlier and why their eyes (50%) seem much puffier in the morning because of edema/fluid. Very interesting anatomical differences. 
Wish you the best in your journey,
Dr Leo Kim, Specialist Plastic Surgeon in Sydney

Often, the skin of a single (fold) eyelid overhangs the eyelashes, thus making them appear shorter.  With double eyelid surgery, the excess skin overhanging the eyelash is either pushed into the new crease and/or removed so much more of the eyelashes can be seen, thus making them appear longer.  (Also, you will get less mascara smudges onto your eyelid skin since the skin will not be overhanging and pressing onto the eyelashes).

The amount of excess "skin" covering the eyelashes will depend on each person's anatomy, such as the quanitity of orbital fat, height of levator insertion onto overlying skin, etc.

Eyelashes can be affected by asian eyelid skin. When you lack a double eyelid crease, the extra skin can lay over the eyelashes and can affect the way they are positioned.  When you do a double eyelid crease procedure, the skin can be positioned higher and this can allow the eyelashes to rise up higher.  Also there are ways to attach the levator muscle to the skin and orbicularis muscle to elevate the eyelashes to a different degree with Asian double eyelid surgery / eyelid crease formation surgery.  Sometimes this relation of the eyelashes with the eyelid is natural depending on the person's anatomy and what they inherited.