1 Oy 20710 | | 20— Cs \ 3 | | \ — 20/105 60r- a @ JNEXPOSED \ gol 4 y= = 21543 © EXPOSED r?06905** - c COMBINED | tf. . 2 1.543x +.0289x ! 7.0 3.5 20/152 s0f- # * CORRELATION WITH AGE | 30 40 | 50 60 AGE 70 80 | tool isg/200 90 20 ! 30 5 T ° ® UNEXPOSED o EXPOSED r= 0,6653** - 49 50 | ~~ SIGNIFICANT AT 1% LEVEL 60 AGE ta | 7 2 BO 6 30 Figure 39. Accommodation (1964). Figure 38. Visual acuity (1964). 9 - 0,022? ‘ SIGNIFICANT AT 1% LEVEL \oo-—__L_—— . “10.5 ** CORRELATION WITH AGE 30 — y= -36,7443.2 20— \ 8 “S| 1 14 PERCENT ae “=0.73** SNELLENS SCORE =z S 504 © T — 20/87 cs \ i I 2 COMBINED I Ba rN, 40— 1 # UNEXPOSED 2 EXPOSED © ——cURVE FOR AMERICANS (DUANE®®) | 3Q— —T . a! DIOPTERS — ry 3 100 5 T ‘ c& COMBINED gol \ y= 36.266 - 1.229% +0.0237x? T T T I T T 1 I 1204 ® UNEXPOSED © COMBINED 9 EXPOSED r= 0.5507 | y2-1.677 + 0.743 x { Bor | ' a 21.5 bs = co a oO dal ! | PERCENT 2 lad Z wn Qo 3, 60 — wn ra —175 7oLR 4147 Qa I | 118 +3 | 90 lOO #4 CORRELATION WITH AGE SIGNIFICANT AT 1% LEVEL 30 40 50 | 60 AGE 1O— i 70 BO Figure 40. Hearing (average decibel loss). lL 90 tae 0 L 30 !| *#* CORRELATION WITH AGE SIGNIFICANT AT 1% LEVEL 40 l 50 60 AGE l 70 | 80 Figure 41. Systolic bloed pressure. — 30 SYSTOLIC PRESSURE (mm) | I siz | |