Answers are grounded in this paper and cite their sources.
The enigma of low tension glaucoma has existed since von Graefe (I857a) described "amaurosis with excavation" which had all the ophthalmoscopic features of chronic simple glaucoma without elevation in intraocular pressure (Schnabel, I908).It must be noted, however, that the intraocular pressure in his time was checked by digital tonometry.
No takes yet. Share an insight, caveat, or question.
S. M. Drance (1972) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: