Figure 3 of Liu, Mol Vis 2011; 17:1405-1413.

Figure 3. Effect of feeding time on IOP. IOP of conscious monkeys was measured at noon at two different feeding times: 11:30AM and 12:30 PM Error bars represent SEM of IOP values (n=12; both eyes of 6 animals). ***p<0.001 by paired two-tailed Student's t-test.