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.
Drooping Eyelids. As we get older, the lower eyelids sometimes start to droop away from the eyeball. Drooping is the result of reduced muscle tone in the muscles that control the eyelids. If your lower eyelids droop outward, away from the eye (ectropion), they may no longer be able to protect your eyes, and your eyes may become dry and irritated.