A:Cribbing is when a horse places its front teeth on a horizontal surface, arches its neck, and pulls backwards. This behavior is usually associated with a grunting noise as the horse gulps air, and is often referred to as wind sucking or aerophagia. This is a vice that many stalled horses pick up because of boredom.
For the wet form of macular degeneration, injections of Macugen, Lucentis, Avastin or Eylea are made directly into the eye. The above-mentioned cancer drug Avastin is considerably less expensive and appears to produce similar results in macular degeneration treatment, though it is not FDA-approved for this use. The Lucentis vs. Avastin debate continues while an ongoing clinical trial compares outcomes and safety of the two treatments.
Age-related Macular Degeneration (AMD) is a progressive eye condition that damages the macula, the part of the retina responsible for central vision. Potential loss of central vision. In some cases, AMD advances so slowly that people notice little change in their vision.