He introduces basic optics , then describes performing astigmatism analysis , administering aspheric treatments that reduce spherical aberration after surgery , making calculations for vertex distance and refraction as well as intraocular lens power , performing intraocular lens calculations after surgery , correcting presbyopia surgically , ...
Then reduce the oven temperature to 170Â°C. Add the onions, garlic and thyme around the beef with about 100 ml of water. Cover with foil and cook for about 2 hours, basting from time to time and adding a little more water if necessary. This will keep the meat moist.Re-cover with the foil each time. Uncover the meat for the last 15 minutes of cooking.hen reduce the oven temperature to 170Â°C. Add the onions, garlic and thyme around the beef with about 100 ml of water. Cover with foil and cook for about 2 hours, basting from time to time and adding a little more water if necessary. This will keep the meat moist. Re-cover with the foil each time.
As a polish on silverware Boil potatoes in some water and remove the potato from water. Place your silver ware in the water for an hour. Silver ware will glaze. Extract salt for curry, soup If you found excess salt in curry or soup, toss some large sliced potatoes into the curry pot or soup bowl, still on the stove.