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.
It is common in exudative macular degeneration for the vessels beneath the retina to burst and lead to leakage into the retina itself. Wet macular degeneration can be more detrimental to eyesight than the dry form of the condition.Laser eye surgery can sometimes be used as a temporary treatment for exudative macular degeneration. Exudative macular degeneration is characterized by the formation of blood vessels below the retina.Smoking increases the risk of macular degeneration. View slideshow of images above.aser eye surgery can sometimes be used as a temporary treatment for exudative macular degeneration. Exudative macular degeneration is characterized by the formation of blood vessels below the retina.