Table 1.

Age-specific normal values for the conjunctival lower fornix

Age	Mean depth of normal lower fornix (mm) (‘100%’)	10% of normal lower fornix (mm)
40–49	11.9	1.19
50–59	11.3	1.13
60–69	11.0	1.10
70–79	10.6	1.06
80+	10.2	1.02

Adapted from Schwab et al.⁷