Figure 2.

Nailfold capillary presentation of a 63-year-old Caucasian male with exfoliation syndrome (a), a 68-year-old Caucasian male with primary open-angle glaucoma (b), and a 69-year-old Caucasian female control subject (c). Note the microvascular tortuosity in the XFS subject, hemorrhage in the POAG patient, and normal architecture of parallel hairpin-shaped capillaries in the control. Supplementary Material available at Eye's website shows nailfold capillary video clips from these three patients.