Wrap a stack of tortillas in damp paper towels or a damp kitchen towel, then wrap in plastic wrap or place in a microwave-safe resealable plastic bag (keep the bag open to vent).
Scleral lenses are large diameter gas permeable lenses that rest. beyond the limits of the cornea on the sclera. Successful fitting of. scleral lenses may defer surgical intervention and decrease the risk. of corneal scarring (4). Scleral lenses may be indicated for primary. and secondary corneal ectasias, post-corneal transplants, and.
The sclera, also known as the white of the eye, is the opaque (usually white, though certain animals, such as horses and lizards, can have black sclera), fibrous, protective, â¦ outer layer of the eye containing collagen and elastic fiber.It is derived from the neural crest.In children, it is thinner and shows some of the underlying pigment, appearing slightly blue. In the elderly, however, fatty deposits on the sclera can make it appear slightly yellow. The sclera forms the posterior five sixths of the connective tissue coat of the globe.he small white bit next to the yolk of an egg is call chalaza. This is a strand of heavy protein that helps to keep the yolk centered in the albumen (white/clear part of an e â¦ gg).