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.
How to Make Low Calorie Vodka Drinks. Three Methods:Making Your Own Low-Calorie Vodka DrinkMaking Low-Calorie Vodka RecipesLow-cal Vodka Drink RecipesCommunity Q&A. Many people choose vodka when they want to drink liquor, and there are nearly as many types of vodka cocktails out there as people who drink them.