The front neck shaping is worked with decreases and increases (see photo below and page 2 of pattern). Sweater has optional crochet edging around neck, cuffs and hem. This sweater is a wardrobe staple worth having in more than one color, and it is a fast knit! (from pattern description) Also available on Craftsy.
In general, if the ptosis is caused by a systemic muscle weakness, other muscles in the face, head, or body may be affected. A drooping eyelid can also be a symptom of a brain tumor or stroke, especially if it comes on within a few days or a few hours or if just one eye is involved.
{{ voteCount >= 0 ? Violet, computer us will not worsen your droopy eyelids. It can cause excessive eye strain which can cause headaches, but will not effect your upper eyelids. Your upper lids are most likely droopy due to a combination of possible lid ptosis, brow ptosis, and excess upper lid skin (dermatochalasis).