* . . . ee we Oeammnlesme a pe te elia eeee +8 9 2 0 3 zed re) rob T l r| ~t— 0) 20/10 \O—~ ) _ . ® UNEXPOSED , oO COMBINED ° EXPOSED \' 4 | | | _ _curve FOR AMERICANS (DUANE®*) r20,73** y= ~ 36.749 +3.311- 0.02x? 20 sok — ) | | | ft 10.5 {20/57 30— o2 50 & {20/105 had 60 f roe | @ UNEXPOSED © EXPOSED | I | cc COMBINED r= 0.6905" * y= 21.543 - 1.543% +.0289 x? Boe 370 Z 90! or | 4 40 50 {|__| 60 AGE 70 SIGNIFICANT AT 1% LEVEL 20 90 30 ; I 0; I @ UNEXPOSED © EXPOSED | |! © COMBINED TOOT OT 3 /00 ! 90k r= 0,6653"* | 50 i — | ~~ 60 AGE 70 | 2 BO ! 30 Figure 39. Accommodation (1964). Figure 38. Visual acuity (1964). 0 40 ! 1 ge j + * CORRELATION WITH AGE 1__t30/200 80 ‘ 30 | — 3.5 } i ** CORRELATION WITH AGE SIGNIFICANT AT |} %LEVEL 30 | 5 — 20/182 | ioo_ DIOPTERS : =z PERCENT I - SNELLENS SCORE i 4or | y= 38.266 - 1.229% +0.0237x? | T ® UNEXPOSED o EXPOSED ae T 1 i © COMBINED r= 0.5507 | y= -l677 + 0.743 x 80 12 PERCENT oud a o uJ : PERCENT wo “421.5 wi a | 60K wi 2 3, 147 ao { | 4431 gol #* CORRELATION WITH AGE 00: L ' | roe SIGNIFICANT AT [1% LEVEL 30 po 40 ott 50 60 AGE —He * * CORRELATION WITH AGE SIGNIFICANT AT 1% LEVEL | 8670 | go Figure 40. Hearing (average decibelloss). 5908332 L 30 lao o> — 30 | 40 50 60 AGE 70 BO Figure 41. Systolic blood pressure. 90 90 SYSTOLIC PRESSURE (mm) 175 70K