Figure 2.
Threshold data and least squares fit exponential model.
Note: Threshold data and least squares fit exponential model for AMD subject R2 values (0.91, 0.93, and 0.88) and for older normal subject R2 values (0.89, 0.92, and 0.91) for visits 2, 3, and 4, respectively.
Abbreviation: AMD, age-related macular degeneration.