Orangeburg news and times. [volume] (Orangeburg, S.C.) 1875-1877, 1877-04-14
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When and How to Use Spectaclos

WAea anu uoW 10 use opccLaCio3
But in general it happens that
people do not know precisely the time
when spcctaclcs become necessary.
Many persons imaging there is a
certain period Of the human life when
eye glasses are required, which has
given rise to that pernicious plan Of
many self-stylcd opticians to prepare
spcctacles for every age, Which they,
of course, dispose of to the ignorant
and inexperienced AS soon rs a
man of fifty years of age, for example,
has through any circumstances forced
his sight for few days, lie begins to
imagine lie must have spcc,ac'eS
These lie obtains, asking for AMI try
ing to obtain the best for his particu-
lar age, and after Il short time he
probably arrives at the conclus ion
that lie can sec better without them.
The fact is that some men ofscvcnty,
or even eighty years Of age, enjoy
their eycsight as we as any period
of their lives, while their children and
perhaps grand -childlen cannot do
without eyeglasses. The time when
this bcncficcnt and blessed invention
of the great Roger Bacon-ol the So
called dark ages" i; needed,
depends not only OH the special
conformation of the organ, but OH the
care that has been taken Of it-thc
proper use, or the abuse the neglect
of nice attentions i'll washing, Get, or
the misfortune of compulsory work
too many hours, over very minute or
shining articles, and with injurious
lights. The simplcs rules ofnscertain-
ing the nccd Of eyeglasses are, first,
TO note you arc obliged TO remove
small print or small objects further
than usual from your eyes in order to
see them distinctly; secondly, ifyou
find yourself involuntarily moving
nearer to the light than usual with
you in order to read letter or book;
thirdly, if very small objects appear
confused after you have looked mt
them for any length of time; iourthly,
If the eyes, after 4 Iit:lc close atten-
ton to anything, become so fatigucd
hat you are obliged TO turn aside to
give them relaxation; and, lastly, il
the sight OH first awakening is very
weak, and docs not recover its custom
ary degree Of force until some time
after. AS for the choice Of eye.
glasses, here are few general rules
to begin with: IN the first place,
good glasses ought never to magnify
the objects very much, but merely 10
show thcw to lis clear, simple and
exactly such rs they are. Even III
the exceptional cases, where rather
strong magnificrs urc needed, the
proof when they arc too strong Will be
when you arc obliged to brin. the
objec much closer to the eye tl,nn 4
sound sight rcquircs-in brief, every
pccson ought; generally speaking, TO
be able TO read conveniently with his
spcctaclcs at the Same distance lie
was accustomed to when his visual
powers were perfect. MI glasses
should be formed Off pure glass. There
should be no spccks, rays, globulcs, or
other impcrtcctions. Mr.. White
Cooper says, "Thcro is Il common
prejudice in lavoro;' pebbles, and they
certainly possess two advantageous
quaitics-cXtrcmc hardness, render.
ing it difficult to scratch or break
them; and clenrncss, never becoming
dull from moisture" Surely these
are important advantages, and they
are also considered to be cooler than
other glasses. The only thing against
them is, they cost SO very much more
than all other glasses. Bat good and
true glasses should bo i'll all their
parts Of an equal thickness, in proper,
! tion to their convcxity, rs well as OF
an equal form. Another test Of true