Table 3

Changes of ⩾0.5 on LOCS III scale from 1994 to 1995

Type of lens opacity
CorticalNuclear opalescencePosterior subcapsularNuclear colourAny of 4
All patients:n=99n=99n=99n=99n=99
 Change developed
Neither eye82%84%91%58%46%
 One eye8%8%5%18%22%
 Both eyes10%8%3%24%32%
Patients with abnormality at baseline:n=32n=91n=16n=68n=92
 Change developed
Neither eye75%89%56%68%48%
 One eye16%7%25%15%24%
 Both eyes9%4%19%18%28%
Patients without abnormality at baseline:n=67n=8n=83n=31n=7
 Change developed
Neither eye85%25%99%36%14%
 One eye5%25%1%26%0%
 Both eyes10%50%0%39%86%
  • Abnormality at baseline (1994) defined as the presence in at least one eye of a LOCS-III score for cortical ⩾1, for nuclear opacity ⩾2, for posterior subcapsular ⩾1, and for nuclear colour ⩾2.

  • Based on the average value for each patient for the four examiners.