[nagdu] The Definition of Blindness
Bob Hicks
bob at seeinghandassociation.com
Fri May 29 13:19:06 UTC 2009
Hi Marion. I hadn't read this before. I like the presentation for the
definition. Thanks for providing it to the list.
Sincerely yours,
Bob Hicks,
The Seeing Hand Association, Inc.
<bob at seeinghandassociation.com>
304-232-4810
----- Original Message -----
From: "Marion & Martin" <swampfox1833 at verizon.net>
To: "NFBF List" <nfbf-l at nfbnet.org>; "flagdu list" <flagdu at yahoogroups.com>;
"NAGDU List" <nagdu at nfbnet.org>
Sent: Wednesday, May 27, 2009 8:38 AM
Subject: [nagdu] The Definition of Blindness
Dear All,
During the recent convention of the National Federation of the Blind of
Florida, the Florida Asociation of Guide Dog Users adopted several
amendments to its Constitution. Among these changes was the removal of the
term "legally blind", substituting simply "blind" wherever that term
appeared. This minor change, I explained,was made to keep in philosophical
alignment with the beliefs of the NFB. Afterward, one member approached me
to express disagreement with the change, sharing the opinion that there was
a difference between "visually impaired", "legally blind", and "totally
blind". During this conversation, this member asserted that it was deceptive
for someone with residual vision to call themselves "blind". In defense of
my opinion, I cited Kenneth Jernigan's article, "The Definition of
Blindness". For everyone's consideration, I have pasted this article below
and have attached it to this mesage. I hope you enjoy it - if you are
reading it for the first time - or learn something new, if you have read it
before!
Fraternally yours,
Marion Gwizdala-Schoch
The Definition of Blindness
By Kenneth Jernigan
Before we can talk intelligently about the problems of blindness or the
potentialities of blind people, we must have a workable definition of
blindness.
Most of us are likely familiar with the generally accepted legal definition:
visual acuity of not greater that 20/200 in the better eye with correction
or a field not subtending an angle greater than 20 degrees. But this is not
really a satisfactory definition. It is, rather, a way of recognizing in
medical
and measurable terms something which must be defined not medically or
physically but functionally.
Putting to one side for a moment the medical terminology, what is blindness?
Once I asked a group of high school students this question, and one of them
replied-apparently believing that he was making a rather obvious
statement-that a person is blind if he "can't see." When the laughter
subsided, I asked
the student if he really meant what he said. He replied that he did. I then
asked him whether he would consider a person blind who could see light but
who could not see objects-a person who would bump into things unless he used
a cane, a dog, or some other travel aid and who would, if he depended solely
on the use of his eyesight, walk directly into a telephone pole or fire
plug. After some little hesitation the student said that he would consider
such
a person to be blind. I agreed with him and then went on to point out the
obvious-that he literally did not mean that the definition of blindness was
to
be unable to see.
I next told this student of a man I had known who had "normal" (20/20)
visual acuity in both eyes but who had such an extreme case of sensitivity
to light
that he literally could not keep his eyes open at all. The slightest amount
of light caused such excruciating pain that the only way he could open his
eyes was by prying them open with his fingers. Nevertheless, this person,
despite the excruciating pain he felt while doing it, could read the eye
chart
without difficulty. The readings showed that he had "normal sight." This
individual applied to the local Welfare Department for Public Assistance to
the
Blind and was duly examined by their ophthalmologist. The question I put to
the student was this: "If you had been the ophthalmologist, would you have
granted the aid or not?"
His answer was, "Yes."
"Remember," I told him, "under the law you are forbidden to give aid to any
person who is not actually blind. Would you still have granted the
assistance?"
The student said that he would. Again, I agreed with him, but I pointed out
that, far from his first facetious statement, what he was saying was this:
It is possible for one to have "perfect sight" and still in the physical,
literal sense of the word be blind.
I then put a final question to the student. I asked him whether if a sighted
person were put into a vault which was absolutely dark so that he could see
nothing whatever, it would be accurate to refer to that sighted person as a
blind man. After some hesitation and equivocation the student said, "No."
For
a third time I agreed with him. Then I asked him to examine what we had
established.
1. To be blind does not mean that one cannot see. (Here again I must
interrupt to say that I am not speaking in spiritual or figurative terms but
in the
most literal sense of the word.)
2. It is possible for an individual to have "perfect sight" and yet be
physically and literally blind.
3. It is possible for an individual not to be able to see at all and still
be a sighted person.
What, then, in light of these seeming contradictions is the definition of
blindness? In my way of thinking it is this: One is blind to the extent that
he
must devise alternative techniques to do efficiently those things which he
would do if he had normal vision. An individual may properly be said to be
"blind"
or a "blind person" when he has to devise so many alternative
techniques-that is, if he is to function efficiently-that his pattern of
daily living is
substantially altered. It will be observed that I say alternative not
substitute techniques, for the word substitute connotes inferiority, and the
alternative
techniques employed by the blind person need not be inferior to visual
techniques. In fact, some of them are superior. The usually accepted legal
definition
of blindness already given (that is, visual acuity of less than 20/200 with
correction or a field of less that 20 degrees) is simply one medical way of
measuring and recognizing that anyone with better vision than the amount
mentioned in the definition will (although he may have to devise some
alternative
techniques) likely not have to devise so many such techniques as to alter
substantially his patterns of daily living. On the other hand, anyone with
less
vision than that mentioned in the legal definition will usually (I emphasize
the word usually, for such is not always the case) need to devise so many
such alternative techniques as to alter quite substantially his patterns of
daily living.
It may be of some interest to apply this standard to the three cases already
discussed:
First, what of the person who has light perception but sees little or
nothing else? In at least one situation he can function as a sighted person.
If, before
going to bed, he wished to know whether the lights are out in his home, he
can simply walk through the house and "see". If he did not have light
perception,
he would have to use some alternative technique-touch the bulb, tell by the
position of the switch, have some sighted person give him the information,
or devise some other method. However, this person is still quite properly
referred to as a blind person. This one visual technique which he uses is
such
as small part of his overall pattern of daily living as to be negligible in
the total picture. The patterns of his daily living are substantially
altered.
In the main he employs alternative techniques to do those things which he
would do with sight if he had normal vision-that is, he does if he functions
efficiently.
Next, let us consider the person who has normal visual acuity but cannot
hold his eyes open because of his sensitivity to light. He must devise
alternative
techniques to do anything which he would do with sight if he had normal
vision. He is quite properly considered to be a "blind person."
Finally, what of the sighted person who is put into a vault which has no
light? Even though he can see nothing at all, he is still quite properly
considered
to be a "sighted person." He uses the same techniques that any other sighted
person would use in a similar situation. There are no visual techniques
which
can be used in such circumstances. In fact, if a blind person found himself
in such a situation, he might very well have a variety of techniques to use.
I repeat that, in my opinion, blindness can best be defined not physically
or medically but functionally or sociologically. The alternative techniques
which
must be learned are the same for those born blind as for those who become
blind as adults. They are quite similar (or should be) for those who are
totally
blind or nearly so and those who are "partially sighted" and yet are blind
in the terms of the usually accepted legal definition. In other words, I
believe
that the complex distinctions which are often made between those who have
partial sight and those who are totally blind, between those who have been
blind
from childhood and those who have become blind as adults are largely
meaningless. In fact, they are often harmful since they place the wrong
emphasis on
blindness and its problems. Perhaps the greatest danger in the field of work
for the blind today is the tendency to be hypnotized by jargon.
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