Two frame-captured steady-state images of the conjunctival microcirculation showing additional microvascular abnormalities.

Optical magnification, × 4.5; onscreen magnification, × 125. (A) Inadequate vascularization (avascularity), two types of comma signs (CS1 and CS2), blood sludging (S), and the intermittent boxcar (sluggish) blood flow phenomenon (BC) are present. (B) Another view of comma signs (CS1), blood sludging (S), and the boxcar blood flow phenomenon (BC).