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Estimated marginal means of fornix depths (FDs). Estimated marginal means of (A) upper and (B) lower FDs and (C) upper and lower (D) fornix intercanthal distance (FICD) per age group and separated by sex with 95% confidence intervals (CIs). A progressive decrease in both measurements for each of the parameters (FD, A, B, and FICDs, C, D) with age for male and female populations was observed (P < 0.001).
