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.
is the outermost layer and is a tough, fibrous tissue that serves as the protective shield we commonly call the whites of the eye.. the sclera contains a specialized portion called the _________ (window of the eye), which contains no blood vessels and is transparent to allow light rays to pass into the eye.