=+article “Morphometry of Nerve Fiber Bundle Pores in the Optic Nerve Head of the Human” (Experimental Eye Research [1988]: 559–568) presented the accompanying data on x 5 age and y 5 percentage of the cribriform area of the lamina scleralis occupied by pores.

x 22 25 27 39 42 43 44 46 46 y 75 62 50 49 54 49 59 47 54 x 48 50 57 58 63 63 74 74 y 52 58 49 52 49 31 42 41