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Science Forum Index » Medicine - Vision Forum » why are prescriptions required for eyes?
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| Dan Abel |
Posted: Sun Jan 28, 2007 11:22 pm |
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In article <e8cvh.325345$FQ1.267115@attbi_s71>,
"Charles" <nospam@nospam.com> wrote:
Quote: Victek wrote:
"Bucky" <uw_badgers@email.com> wrote in message
news:1169838513.826547.317770@j27g2000cwj.googlegroups.com...
I can see why prescriptions are required for drugs, because those
can be easily abused or sold in the black market. But to me, eye
prescriptions don't seem that critical.
My analogy is shoes. You could probably mess up your
feet/knees/legs/back by wearing the wrong size or type of shoes, or
improper inserts long term. Yet a shoe prescription from a
podiatrist is not required for people to buy shoes.
Of course, everyone should get an initial refraction done
professionally. But what's wrong with buying disposable contacts
that are a little higher or lower than your prescription to see how
they perform? You're not going to be seriously injured. Maybe get
some headaches or eyestrain, that's all. And if you do have
problems, then go see the optometrist (just like you'd see a
podiatrist if shoes were giving you problems).
The most obvious reason why lens prescriptions are legally required
is to minimize the risk of operating dangerous machinery, such as
automobiles. Can you imagine drivers, pilots, ship captains, etc.
self-prescribing? People cannot be trusted to be responsible and use
common sense in such situations. How could you even tell if you hit
on the correct prescription?
None of these professions require proof of a doctor's prescription,
only proof that you can see.
Not my experience. If you fail the vision screening, then you don't get
a driver's license without a form from an eye doctor. I've done this
twice, my wife once. |
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| Charles |
Posted: Mon Jan 29, 2007 12:15 am |
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Dan Abel wrote:
Quote: In article <e8cvh.325345$FQ1.267115@attbi_s71>,
"Charles" <nospam@nospam.com> wrote:
Victek wrote:
"Bucky" <uw_badgers@email.com> wrote in message
news:1169838513.826547.317770@j27g2000cwj.googlegroups.com...
I can see why prescriptions are required for drugs, because
those can be easily abused or sold in the black market. But to
me, eye prescriptions don't seem that critical.
My analogy is shoes. You could probably mess up your
feet/knees/legs/back by wearing the wrong size or type of
shoes, or improper inserts long term. Yet a shoe prescription
from a podiatrist is not required for people to buy shoes.
Of course, everyone should get an initial refraction done
professionally. But what's wrong with buying disposable contacts
that are a little higher or lower than your prescription to see
how they perform? You're not going to be seriously injured.
Maybe get some headaches or eyestrain, that's all. And if you
do have problems, then go see the optometrist (just like you'd
see a podiatrist if shoes were giving you problems).
The most obvious reason why lens prescriptions are legally
required is to minimize the risk of operating dangerous
machinery, such as automobiles. Can you imagine drivers, pilots,
ship captains, etc. self-prescribing? People cannot be trusted
to be responsible and use common sense in such situations. How
could you even tell if you hit on the correct prescription?
None of these professions require proof of a doctor's prescription,
only proof that you can see.
Not my experience. If you fail the vision screening, then you don't
get a driver's license without a form from an eye doctor. I've done
this twice, my wife once.
What I mean is, I can self prescribe my glasses so long as I pass the
vision test. The FAA/DMV doesn't care as long as I can see. The idea
that an Rx is required to protect the public from blind pilots doesn't
make sense.
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| Victek |
Posted: Mon Jan 29, 2007 12:54 am |
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Quote: The most obvious reason why lens prescriptions are legally
required is to minimize the risk of operating dangerous
machinery, such as automobiles. Can you imagine drivers, pilots,
ship captains, etc. self-prescribing? People cannot be trusted
to be responsible and use common sense in such situations. How
could you even tell if you hit on the correct prescription?
None of these professions require proof of a doctor's prescription,
only proof that you can see.
Not my experience. If you fail the vision screening, then you don't
get a driver's license without a form from an eye doctor. I've done
this twice, my wife once.
What I mean is, I can self prescribe my glasses so long as I pass the
vision test. The FAA/DMV doesn't care as long as I can see. The idea
that an Rx is required to protect the public from blind pilots doesn't
make sense.
You may be correct - no agency has ever required me to present a doctor's
vision prescription before issuing me a license. Practically though, the
need to pass a vision test effectively forces me (and most everybody else)
to get a proper exam and prescription. My point is it's a public safety
issue. Even if you could evaluate your own vision accurately and write your
own prescription, who would fill it? Opticians I have dealt with have
always required a doctor's prescription (not more than two years old) before
they will make lenses/glasses. |
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| otisbrown@pa.net |
Posted: Mon Jan 29, 2007 1:38 am |
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Assuming you had a trial-lens "frame", and
a box of trial lenses (in 1/4 diopter steps),
and a days traing and experience you
could probably determine your refractive STATE
that would not be much difference that
a measurement made in an office.
After all they are the same thing.
What the OD can do in his office is to check
for retinal-organic problems. And also
check for eye-ball pressure.
But once these items are cleared off the
table, then verifying your refractive STATE
would not take much training.
Just on man's opinion.
Otis
On Jan 28, 11:15 pm, "Charles" <nos...@nospam.com> wrote:
Quote: Dan Abel wrote:
In article <e8cvh.325345$FQ1.267115@attbi_s71>,
"Charles" <nos...@nospam.com> wrote:
Victek wrote:
"Bucky" <uw_badg...@email.com> wrote in message
news:1169838513.826547.317770@j27g2000cwj.googlegroups.com...
I can see why prescriptions are required for drugs, because
those can be easily abused or sold in the black market. But to
me, eye prescriptions don't seem that critical.
My analogy is shoes. You could probably mess up your
feet/knees/legs/back by wearing the wrong size or type of
shoes, or improper inserts long term. Yet a shoe prescription
from a podiatrist is not required for people to buy shoes.
Of course, everyone should get an initial refraction done
professionally. But what's wrong with buying disposable contacts
that are a little higher or lower than your prescription to see
how they perform? You're not going to be seriously injured.
Maybe get some headaches or eyestrain, that's all. And if you
do have problems, then go see the optometrist (just like you'd
see a podiatrist if shoes were giving you problems).
The most obvious reason why lens prescriptions are legally
required is to minimize the risk of operating dangerous
machinery, such as automobiles. Can you imagine drivers, pilots,
ship captains, etc. self-prescribing? People cannot be trusted
to be responsible and use common sense in such situations. How
could you even tell if you hit on the correct prescription?
None of these professions require proof of a doctor's prescription,
only proof that you can see.
Not my experience. If you fail the vision screening, then you don't
get a driver's license without a form from an eye doctor. I've done
this twice, my wife once.What I mean is, I can self prescribe my glasses so long as I pass the
vision test. The FAA/DMV doesn't care as long as I can see. The idea
that an Rx is required to protect the public from blind pilots doesn't
make sense.
--- Hide quoted text -- Show quoted text - |
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| Neil Brooks |
Posted: Mon Jan 29, 2007 1:49 am |
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otisbrown@pa.net wrote:
Quote: Assuming you had a trial-lens "frame", and
a box of trial lenses (in 1/4 diopter steps),
and a days traing and experience you
could probably determine your refractive STATE
that would not be much difference that
a measurement made in an office.
And after all, getting a prescription that is somewhere in the ball park
is quite good enough, right?
Quote: After all they are the same thing.
In your little mind, perhaps they are.
Quote: What the OD can do in his office is to check
for retinal-organic problems. And also
check for eye-ball pressure.
But once these items are cleared off the
table, then verifying your refractive STATE
would not take much training.
How many patients have you refracted in this manner, and how did your
results compare to actual medically trained professionals who refracted
the same patients themselves?
Inquiring minds want to know. |
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| Mark A |
Posted: Mon Jan 29, 2007 1:59 am |
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<otisbrown@pa.net> wrote in message
news:1170049081.004627.188370@p10g2000cwp.googlegroups.com...
Quote:
Assuming you had a trial-lens "frame", and
a box of trial lenses (in 1/4 diopter steps),
and a days traing and experience you
could probably determine your refractive STATE
that would not be much difference that
a measurement made in an office.
After all they are the same thing.
What the OD can do in his office is to check
for retinal-organic problems. And also
check for eye-ball pressure.
But once these items are cleared off the
table, then verifying your refractive STATE
would not take much training.
Just on man's opinion.
Otis
It may not take much training, but how many people would do it, and where
would they get the trial frames and lenses? A decent refraction from an OD
can be had for about $50 or less. |
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| Neil Brooks |
Posted: Mon Jan 29, 2007 12:01 pm |
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Otis? Could you please answer the last question??
It wouldn't make you seem very credible if you have no sound basis for
these assertions, so I'm sure you'll be EAGER to clear this up.
Thanks.
--
Neil Brooks wrote:
Quote: otisbrown@pa.net wrote:
Assuming you had a trial-lens "frame", and
a box of trial lenses (in 1/4 diopter steps),
and a days traing and experience you
could probably determine your refractive STATE
that would not be much difference that
a measurement made in an office.
And after all, getting a prescription that is somewhere in the ball park
is quite good enough, right?
After all they are the same thing.
In your little mind, perhaps they are.
What the OD can do in his office is to check
for retinal-organic problems. And also
check for eye-ball pressure.
But once these items are cleared off the
table, then verifying your refractive STATE
would not take much training.
How many patients have you refracted in this manner, and how did your
results compare to actual medically trained professionals who refracted
the same patients themselves?
Inquiring minds want to know. |
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| The Real Bev |
Posted: Tue Jan 30, 2007 5:49 pm |
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Guest
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Victek wrote:
Quote: The most obvious reason why lens prescriptions are legally required is to
minimize the risk of operating dangerous machinery, such as automobiles.
Can you imagine drivers, pilots, ship captains, etc. self-prescribing?
People cannot be trusted to be responsible and use common sense in such
situations. How could you even tell if you hit on the correct prescription?
Um, perhaps you notice that you can see better?
That being said, I truly envy anybody who can order his own contact lenses
-- I've had three fitters and dozens of trial lenses, only a few of which
are good enough to actually use and NONE of which have been duplicable.
--
Cheers,
Bev
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Do not try to solve all life's problems at once -- learn to
dread each day as it comes. -- Donald Kaul |
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| The Real Bev |
Posted: Tue Jan 30, 2007 5:58 pm |
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Guest
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Dan Abel wrote:
Quote: "Bucky" <uw_badgers@email.com> wrote:
I can see why prescriptions are required for drugs, because those can
be easily abused or sold in the black market. But to me, eye
prescriptions don't seem that critical.
My analogy is shoes. You could probably mess up your
feet/knees/legs/back by wearing the wrong size or type of shoes, or
improper inserts long term. Yet a shoe prescription from a podiatrist
is not required for people to buy shoes.
Of course, everyone should get an initial refraction done
professionally. But what's wrong with buying disposable contacts that
are a little higher or lower than your prescription to see how they
perform? You're not going to be seriously injured.
I've been told that too-tight contacts can cause otherwise-symptomless
corneal damage -- how do you know whether your choice is too tight or not?
Quote: Maybe get some
headaches or eyestrain, that's all. And if you do have problems, then
go see the optometrist (just like you'd see a podiatrist if shoes were
giving you problems).
I have mixed feelings. There is a podiatrist who visits my father's
Home. He gets a bunch of money for trimming toenails. It's all charged
to Medicare.
My 89-year-old MIL had terrible circulation (her feet were dark purple and
the skin was frighteningly thin) and with MD was unable to actually see her
feet, much less bend over to cut her own gnarly toenails. Manicurists
refused to even touch her feet for fear of damaging them (as would I), much
less try to trim the nails. In her case there was no other option, and the
cost was entirely justified.
The first podiatrist she tried made her cry from the pain, and the bitch
just told her to suck it up. The second one was very gentle and was willing
to give her topicals if she needed them -- which she didn't. Good guy.
Quote: He wants my dad to get surgery. My sister takes him in to
a doctor. The doctor is not happy. My dad has one kidney. It barely
works. He is diabetic. He has no feeling in his feet. He is 90. He
has no problems with his feet other than needing the corns filed off.
He is not a candidate for this surgery.
Things are weird. I shared an office for five years with a woman who's
father was a pharmacist. They had prescription aspirin. The tens
require a prescription. Of course, you can just take two fives. No
prescription.
A friend filled a prescription for 2.5x-strength naproxen, even though she
gave me a couple of big bottles of Aleve (good stuff!) after her mom died.
Go figure.
Quote: Still, I'm going to see the OD. If I had to pay for it, I might think
twice about it.
--
Cheers,
Bev
1010101010101010101010101010101010101
What do you think you're doing, Dave?
-- Hal 9000 |
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