Table 2 Profile of Dot opacities on OCT imaging of DS lenses (n = 16), graded by Pixel intensity ratio (PIR) and area ratio (PAR).

From: In-vivo anterior segment OCT imaging provides unique insight into cerulean blue-dot opacities and cataracts in Down syndrome

DS group

Mean (+/−SD)

Median (IQR)

Range

Dot PIR

1.33 (+/−0.12)

1.3 (0.12)

1.14 to 1.68

Dot PAR

0.04 (+/−0.05)

0.02 (0.07)

0.004 to 0.14

Number of dots

15.63 (+/−15.87)

9 (25.25)

1 to 50

Number of dots in central 4–4.5 mm

7.31 (+/−8.05)

2 (13.25)

0 to 23

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