In addition, long-term rigid contact lens wear may weaken the tissue of the upper lid. Involutional ptosis is corrected by tightening the levator muscle. The function of the levator muscle is to raise the eyelid. Ptosis repair is performed through an incision in the normal crease in the upper lid. Muscular â In some people ptosis is actually caused by a weak levator muscle. The function of the levator muscle is to raise the eyelid. Muscular ptosis can occur in early childhood or adulthood.
1 80-proof vodka (40% alcohol; the most common type) has 64 calories per 1oz. 2  86-proof vodka (43% alcohol) has 70 calories/1 oz. 3  90-proof vodka (45% alcohol) has 73 calories/1 oz.  100-proof vodka (50% alcohol) has 82 calories/1 oz.
1.5 ounces of 70 proof Vodka which has around 35% alcohol contains 55 calories per ounce, 80 Proof Vodka which has around 40% alcohol contains around 65 calories in each ounce, 90 proof vodka that as around 45% alcohol contains approximately 75 calories per ounce and 100 proof vodka that has around 50% alcohol contains approximately 85 calories per ...