*
.
.
.
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