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Table 2 Flicker-induced retinal vasodilation

From: Retinal vascular and structural changes are associated with amyloid burden in the elderly: ophthalmic biomarkers of preclinical Alzheimer’s disease

  Arterial dilation (%) Venous dilation (%)
Elderly control group (NAL <1.4) 2.4 ± 1 3.1 ± 1.2
Preclinical group (NAL ≥1.4) 2 ± 1.1 3 ± 1.5
Clinical AD 2.7 ± 0.5 2.8 ± 1
  1. AD Alzheimer’s disease, NAL Neocortical amyloid load