1.    Abegão Pinto L, Vandewalle E, Stalmans I. Disturbed correlation between arterial resistance and pulsatility in glaucoma patients. Acta Ophthalmol 2012;90(3):e214-20.

2.    Galassi F, Giambene B, Varriale R. Systemic vascular dysregulation and retrobulbar hemodynamics in normal-tension glaucoma. Invest Ophthalmol Vis Sci 2011;52(7):4467-71.

3.    Mroczkowska S, Benavente-Perez A, Negi A, et al. Primary open-angle glaucoma vs normal-tension glaucoma: the vascular perspective. JAMA Ophthalmol 2013;131(1):36-43.

4.    Flammer J, Konieczka K, Flammer AJ. The primary vascular dysregulation syndrome: implications for eye diseases. EPMA J 2013;4(1):14.

5.    Wierzbowska J, Wierzbowski R, Stankiewicz A, et al. Cardiac autonomic dysfunction in patients with normal tension glaucoma: 24-h heart rate and blood pressure variability analysis. Br J Ophthalmol 2012;96(5):624-8.

6.    Pache M, Flammer J. A sick eye in a sick body? Systemic findings in patients with primary open-angle glaucoma. Surv Ophthalmol 2006;51(3):179-212.

7.    Schmidl D, Garhofer G, Schmetterer L. The complex interaction between ocular perfusion pressure and ocular blood flow - relevance for glaucoma. Exp Eye Res 2011;93(2):141-55.

8.    Resch H, Garhofer G, Fuchsjäger-Mayrl G, et al. Endothelial dysfunction in glaucoma. Acta Ophthalmol 2009;87(1):4-12.

9.    Jennings RB. Historical perspective on the pathology of myocardial ischemia/reperfusion injury. Circ Res 2013;113(4):428-38.

10.  Pundik S, Xu K, Sundararajan S. Reperfusion brain injury: focus on cellular bioenergetics. Neurology 2012;79(13 Suppl 1):S44-51.

11.  Kaur S, Jaggi AS, Singh N. Molecular aspects of ischaemic postconditioning. Fundam Clin Pharmacol 2009;23(5):521-36.

12.  Mozaffarieh M, Flammer J. New insights in the pathogenesis and treatment of normal tension glaucoma. Curr Opin Pharmacol 2013;13(1):43-9.

13.  Leung DY, Li FC, Kwong YY, et al. Simvastatin and disease stabilization in normal tension glaucoma: a cohort study. Ophthalmology 2010;117(3):471-6.

14.  Koseki N, Araie M, Tomidokoro A, et al. A placebo-controlled 3-year study of a calcium blocker on visual field and ocular circulation in glaucoma with low-normal pressure. Ophthalmology 2008;115(11):2049-57.

15.  Kim M, Kim DM, Park KH, et al. Intraocular pressure reduction with topical medications and progression of normal-tension glaucoma: a 12-year mean follow-up study. Acta Ophthalmol 2013;91(4):e270-5.

16.  Harris A, Topouzis F, Wilson MR, et al. Association of the optic disc structure with the use of antihypertensive medications: the thessaloniki eye study. J Glaucoma 2013: 22(7):526-31

17.  Khawaja AP, Chan MP, Broadway DC, et al. Systemic medication and intraocular pressure in a British population: the EPIC-Norfolk Eye Study. Ophthalmology 2014: 121(8):1501-7

18.  Muskens RP, de Voogd S, Wolfs RC. Systemic antihypertensive medication and incident open-angle glaucoma. Ophthalmology 2007: 114(12):2221-6

19.  Gugleta K, Orgül S, Stümpfig D, et al. Fludrocortisone in the treatment of systemic hypotension in primary open-angle glaucoma patients. Int Ophthalmol 1999;23(1):25-30.

20.  Orgul S, Zawinka C, Gugleta K, Flammer J. Therapeutic strategies for normal-tension glaucoma. Ophthalmologica 2005;219(6):317-23.

21.  Gherghel D, Orgül S, Gugleta K, Flammer J. Retrobulbar blood flow in glaucoma patients with nocturnal over-dipping in systemic blood pressure. Am J Ophthalmol 2001;132(5):641-7.

22.  Gherghel D, Hosking SL, Armstrong R, Cunliffe IA. Autonomic dysfunction in unselected and untreated primary open angle glaucoma patients: a pilot study. Ophthalmic Physiol Opt 2007;27(4):336-41.