Figure 3.

Visual acuity depending on age, sex, method and sequence. Note the inverted logMAR scale: better acuity up. The straight lines represent a linear regression, and the gray shaded areas surrounding the regression lines indicate the 95% confidence intervals. Individual eyes of female and male participants are shown as corresponding female/male symbols. Only eyes of those participants who successfully completed both tests are included. Top row: FrACT VAs. Bottom row: LEA VAs. Left column: FrACT first. Right column: LEA first. P values and r² are given at the bottom right of each panel. Linear regression equations:

• FrACT (FrACT→LEA): VA = −0.07 * age + 0.44, FrACT (LEA→FrACT): VA = −0.20 * age + 1.11
• LEA (FrACT→LEA): VA = −0.04 * age + 0.19, LEA (LEA→FrACT): VA = −0.06 * age + 0.33.