Table 1 Ophthalmological causes of exclusion.

From: Usefulness of peripapillary nerve fiber layer thickness assessed by optical coherence tomography as a biomarker for Alzheimer’s disease

Causes

Number (% over excluded)

Prevalence in MU

Glaucoma

292 (30.6)

7,4%

Macular degeneration

289 (30.3)

7,3%

Amblyopia

135 (14.1)

3.4%

Intraocular pressure >24

62 (6.5)

1.6%

Retinal surgery

46 (4.8)

1.1%

OCT artifacts

39 (4.1)

1.0%

Myopia magna

36 (3.8)

0.9%

Optic neuropathies

18 (1.9)

0.5%

Ocular injury

6 (0.6)

0.2%

Other causes

61 (6.4)

1.6%

Unknown

72 (7.6)

1.8%

  1. 955 out of 3,930 participants were excluded because of ophthalmological causes. Some subjects met more than one ophthalmological exclusion criterion.