Glaucoma is a group of eye diseases causing optic nerve damage. The optic nerve carries images from the retina, which is the specialized light sensing tissue, to the brain so we can see.In glaucoma, eye pressure plays a role in damaging the delicate nerve fibers of the optic nerve.When a significant number of nerve fibers are damaged, blind spots develop in the field of vision.Once nerve damage and visual loss occur, it is permanent.n glaucoma, eye pressure plays a role in damaging the delicate nerve fibers of the optic nerve. When a significant number of nerve fibers are damaged, blind spots develop in the field of vision. Once nerve damage and visual loss occur, it is permanent.
'lettuce' also found in translations in French-English dictionary. pied de laitue. pied de laitue. exp. lettuce plant. coeur de laitue. coeur de laitue. nm.earch also in: Web News Encyclopedia Images Context. lettuce n (=salad leaves) salade f (=plant) laitue f cos lettuce n laitue f romaine f, romaine curly lettuce n laitue f frisee frisÃ©e iceberg lettuce n laitue f. iceberg
Lettuce. It is a widely grown annual plant cultivated for the edible leaves. Lettuce leaves are low in calories but rich in vitamin A. It is believed that lettuce originally was native to Europe and Asia and was cultivated by 550 B.C. Today it is grown throughout the word.Cultivated lettuce belongs to the composite family.After the leaves form, branching leafy flowering stems develop.These stems range in height 3 to 4 feet and bear cluster of small yellow flower heads.oday it is grown throughout the word. Cultivated lettuce belongs to the composite family. After the leaves form, branching leafy flowering stems develop. These stems range in height 3 to 4 feet and bear cluster of small yellow flower heads.