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.
A droopy eyelid can happen with a unqualified injector, it doesn't usually happen between the eyebrows more in the mid to outer area of the eyebrow. The doctors inject just under the eyebrow in that area and it creates an eyebrow lift but if they do it wrong it can create a drooping eyebrow.