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.
Spirits, wine and light beer and light cider have less calories than regular beer and cider. A single (25ml measure) vodka and coke or gin and tonic is around 110 calories, while calories in whiskey are about 61 per 25ml shot. A medium-sized glass of 13% wine (175ml) contains 159 calories, although a bottle would be 682 calories.