Inclusion Criteria:  Age >/= 18 years Willing to sign informed consent and authorization of use and disclosure of protected health information For study group: patients must have a clinical diagnosis of NVAMD For control group: patients undergoing vitrectomy for macular hole, macular pucker, or vitreomacular traction, vitreous floaters or another condition unrelated to scarring.  Exclusion Criteria:  Subjects with a retinal condition other than NVAMD in which scarring may occur such as proliferative vitreoretinopathy or retinal detachment.