Clinical Study

Self-Testing of Vision in Age-Related Macula Degeneration: A Longitudinal Pilot Study Using a Smartphone-Based Rarebit Test

Figure 1

Examples of segmented digits defined by different numbers of rarebits per segment (from left to right, 4, 16, and 30). For a dynamic demonstration, see http://www.oft.gu.se/webdiagnos/multibit/multibit.html.