30 I “shaten | se — | » EXPOSED ; 2 MEAN BOTH GROUPS | . +: JNEXPOSED Oh. —at oe 420710 a 30 20/40 # 7 - 42"BO 20/100 a0 z : 20 30 40 wd > 50 60 AGE -YRS 7 “a 20/200 30 . R0 ~20/80 ‘2Ss‘ a os ioc - 420/20 3 “20/30 g 100 = mae RS / :. ~ 334, 2wa free Zomtom ia u/s “o> 30 Figure 20. Visual acuity, 1959. > EXPOSED 4 —2- ‘ : UNEX2OSEO 35 MEAN GOTH GROUPS ~ ate be Sewer =e 22 - ae 54 oo = On, wd pone Lo — 59 - Gg Dt 30 5c 69 “GE -YRS 79 80 Figure 21. Arcus senilis, 1959. a T 1 ni T T | + * UNEXPOSED 80} > r , of 30 40 Or, 193 os, | ~ 1 419 = YU we @ is 30 i 429 : 1] vem re Se 40 50 60 AGE -YRS 790 80 : 7° 100 = aS 30 Figure 22. Arteriosclerosis of retina, 1959. oF , Le 40 po 80 69 AGE - YRS 70 8 To 2 «MEAN BOTH GROUPS} . P . }00 ~ © EXPOSED * CONTROL 2 MEAN BOTH cROUrS | 120 3 | - 195 . | yee {mm} (mm) ee * , ‘4 po i 20 30 40 SO 60 _ AGE - YRS 70 to 80 Figure 24. Blood pressure, systolic, 1959 | {30 85 | 4125 Op ye =38 TTT + UNEXPOSED . | Figure 23. Hearingloss, 1959. Tot 2 EXPOSED “67 FT oO 30 40 es ee 50 60 aGE -YRS 70 80 Figure 25. Blood pressure, diastolic, 1959. “45° * ve ’ 7 i e Ly 43- | |+ O hemmapa 20 10 ] 42+ t | 30 . » = UNEXPOSED 2 =MEAN 30TH GROUPS| = 4+ 60) 205 2 + EXPOSED a> MEAN BOTH GROUPS| 30 - % | i ® « EXPOSED | 100 é am ? 2