Perkins E S, Phelps C D
Klin Monbl Augenheilkd. 1984 Apr;184(4):303-4. doi: 10.1055/s-2008-1054471.
The ocular pulse amplitudes were measured with a recording applanation tonometer in eyes of patients with primary open-angle glaucoma, low-tension glaucoma and in normal subjects. The mean ocular pulse amplitude of 62 eyes of 31 patients with low-tension glaucoma did not differ significantly from that of normal eyes, but there were more eyes with low and high pulse amplitudes than would be expected in a normal population. These results suggest that the patients with low-tension glaucoma did not comprise a homogeneous population, but contained one group of patients with evidence of reduced choroidal blood flow and another group with pulse amplitudes similar to those found in primary open-angle glaucoma.