Table 2 Lens density and logMAR visual acuity in Lens Opacities Classification System III nuclear opacity and nuclear colour groups
Lens Opacities Classification System III scoreNuclear opacityNuclear colour
No of eyesLens density mean (SD) (%)Visual acuity median (IQR) (logMAR)No of eyesLens density mean (SD) (%)Visual acuity median (IQR) (logMAR)
0.1–0.9 (control)309.7 (1.29)0.00 (0.00 to 0.00)309.7 (1.29)0.00 (−0.02 to 0.00)
1.0–1.93010.5 (1.02)0.01 (−0.01 to 0.05)2710.1 (2.38)0.04 (0.02 to 0.09)
2.0–2.93014.1 (1.84)0.40 (0.30 to 0.45)3118.2 (5.91)0.30 (0.05 to 0.50)
3.0–3.93020.7 (1.86)0.70 (0.50 to 0.90)2921.1 (6.36)0.50 (0.40 to 0.70)
4.0–4.93025.7 (1.94)1.00 (0.90 to 1.30)3324.4 (6.46)1.00 (0.70 to 1.30)
5.0–5.93030.0 (1.98)1.00 (0.80 to 1.40)3729.41 (5.53)1.00 (0.70 to 1.15)
6.0–6.93036.5 (3.79)1.35 (1.15 to 1.70)2333.93 (4.31)1.35 (1.10 to 2.00)
  • IQR, interquartile range.