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...
//d5kh2btv85w9n.cloudfront.net/7/77/Cook Snow Crab Legs Step 2.360p.mp4. 1  Most crab legs are bought pre-cooked, so you do not need to cook them very long. 2  However, they are also usually frozen to keep them fresh. 3  If they did not refrigerate fully in the refrigerator overnight, place them in a large bowl.