Table 1 Relationship between pupil diameter and luminance, and estimated retinal illuminance for a healthy eye, an aniridia eye (big pupil) and an aniridia eye with a GH-LCD filter.

From: Artificial iris performance for smart contact lens vision correction applications

Diameter (mm)

Luminance (log(cd/m2))

Retinal illuminance [Troland]

Healthy eye

Aniridia eye

Aniridia eye with GH-LCD

6

− 1.5

0.89

0.89

0.58

5

− 0.6

4.93

7.10

3.90

4

− 0.21

7.75

17.43

8.13

3

0.65

31.57

126.30

50.83

2

5

314,159.26

2,827,433.39

1,008,451.24