Vitreoretinal eye surgery includes a group of procedures performed deep inside the eye's interior with lasers or conventional surgical instruments. As the name implies, this delicate surgery takes place where the gel-like vitreous and light-sensitive membrane (retina) are found.
1 If your sugar paste feels dry and cracks, feels very firm or crumbly, knead in a few teaspoons of melted shortening (vegetable fat or white margarine). 2  Alternatively, work glycerine and or a few drops of cooled boiled water into the paste to soften it and make it more elastic.
How to soften raw sugar: Raw sugar will become hard if it absorbs moisture, so to soften it again you can place it in on a tray in a 150Â°F oven for 15- 30 minutes, then break it up with a spoon. Be careful not to overheat the sugar or it will burn. Since sugar is a preservative, it is most often used to preserve and extend the shelf life of fruits when making jams and jellies. 2  It will even prolong the shelf life of fresh cut flowers when mixed into their water. 3  To find out how to measure sugars visit our how to measure brown sugar page.