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.
Ptosis (silent 'p') is a medical condition that causes drooping of the upper eyelid (or eyelids). If an eyelid droops too much, it restricts the field of vision by either partially or completely blocking the eye's pupil. Both children and adults can be affected by ptosis, although it commonly occurs as a result of aging.