Table 2.

Patient characteristics.

	Age (mean ± S.D.)	Gender (% female)	Glaucoma treatments* (numbers of drugs; mean ± S.D)
Glaucoma group (n = 10)	73.8 ± 7.9	60	1.8 ± 0.6
Non glaucoma group (n = 10)	73.0 ± 9.0	70	–

*Glaucomatous patients received anti-glaucomatous treatment through eye-drop consisting in either monotherapy, bi-therapy, tri-therapy, or quadri-therapy with drugs from the 4 distinct classes (Beta blockers, Alpha-adrenergic agonists, Prostaglandins or Carbonic anhydrase inhibitors).

Non glaucomatous patients did not receive any eye treatment.