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.
However, ptosis of the upper eyelid can be a symptom of several health conditions, including diabetes, diseases of the nervous system such as myasthenia gravis, or damage to the third cranial nerve that controls the eyelids. Myasthenia gravis is a serious autoimmune neuromuscular disease that results in nerve weakness.
Your eye muscles (orbicularis oculi muscle) help to support your eyelid and keep it from drooping. It is possible that Botox placed too close to this part of the eye muscle can cause decrease in support of the lower eyelid and cause it to droop slightly. If this happens it's feasible to get slightly dry eyes....