Factors that contribute to the variability of corneal topography. include examiner training and compliance with the test protocol, disease severity, examination interval, and patient experience and. cooperativeness.
It takes four to five minutes to boil snow-crab legs. To boil snow crabs, fill a large pot two-thirds full of water, and add 1 tablespoon salt to the water. Bring the water to a boil, and submerge...
Reduce the heat to medium and cook the crab legs for 3 to 6 minutes. 1  Leave the stockpot uncovered as the crab legs cook. 2  The crab legs only need to be cooked long enough to heat them. 3  The water should be at a steady simmer as the crab legs cook.ake until heated through, turning once. The crab legs will only need to bake for about 7 to 10 minutes total. 1  While it is not completely necessary, flipping the crab at the 4-minute mark promotes even cooking. 2  Just make sure that you place the aluminum foil back on the pan before returning it to the oven.