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 is the âwhiteâ of the eye. It is a relatively thick and opaque layer, consisting of two finer layers of tissue â conjunctiva and episclera. In these two layers there are visible blood vessels. The thickness of the sclera varies and has its strongest structure in the posterior part of the eye.