 The purpose of this study is to see if the drug bevacizumab is safe and effective to use for people with choroidal neovascularization CNV. CNV is an eye condition where abnormal blood vessels grow in the part of the eye responsible for central straight ahead vision. The drug is produced using recombinant DNA technology and has been approved by the FDA for use in colon cancer. Although not yet approved for people with CNV, the FDA has given permission to use this drug in this study. 