"Szczepan Bia³ek" <sz.bialek@wp.pl> wrote

But myopia sometimes disappear. It must have some reason.

Do you mean axial myopia? Or the temporary shift caused by out-of-control
blood sugar?

"Szczepan Bia³ek" <sz.bia...@wp.pl> wrote

I was told that the children errors "jumps". Is it truth?

In children, refraction can vary drastically due to accommodation.

The sclera and other anatomical structures do not suddenly grow or shrink.

We have agreed that the accomodation is automatically started with
converging. This is done by parasympathetic nerves. Is it not possible
that this nerve system works incorrectly?

Yes. Sometimes the parasympathetic overaction serves a purpose, so we don't
say "incorrect".

In any event, parasympathetic overaction is not anatomical refractive error.
It goes by many names - spasm of accommodation, latent hyperopia, tonic
accommodation, all the same mechanism.

It is the reason children are often given atropine or cyclopentolate before
measurements are made.

-MT

Not the temporary shift. Study shown: "that myopia can get worse, be
steady or decrease" in long period of time.

What causes the parasympathetic overaction?

"Zetsu" <absolutelyinvincible@hotmail.com> wrote

What causes the parasympathetic overaction?

It's a normal reflex.

In farsighted people, it maintains focused vision, so the "cause" would be
the activity of a normal reflex loop.

In young people who aren't farsighted, "overaction" isn't very common.

When it does occur, we call it spasm of accommodation, or pseudomyopia.

Sometimes it provides better binocular balance, as in convergence
insufficiency.

Other times there's no measurable benefit and it's actually detrimental to
performance.

In those cases, anxiety is usually the most-cited cause.

"Szczepan Bia³ek" <sz.bialek@wp.pl> wrote

Not the temporary shift. Study shown: "that myopia can get worse, be
steady or decrease" in long period of time.

According to textbooks, two reasons myopia often gets better between age
20-40:

1) Tonic accommodation decreases with age

I am here to lern. Lern how to decrease myopia.

Now I have known how to do it temporary:

1. " the lens to return to its "normal" shape when blood sugar comes
down." ,Does it mean that the tonic accomodation decreases when blood
sugar comes down?

2. "For good refraction you must relax" . Does it means take a rest?
If yes, it can allow to take the following conclusions:

Blood sugar go together with the potassium. After effort the potassium in
the blood is also higher.

So the high tonic accomodation may by caused by high potassium

The only remede may be the John Rollo's diet.

Is it quite foolish?

"Szczepan Bia³ek" <sz.bialek@wp.pl> wrote

I am here to learn. Learn how to decrease myopia.

I've looked for 20 years. I've never found a reliable method for reducing
real (anatomical) myopia.

About age 50, tonic accommodation disappears. Still many, many people with
myopia.

If you could "cure" all the tonic accommodation in younger myopes, there
would still be many, many myopes.

Tonic accommodation is not real myopia. It's OK to reduce tonic
accommodation. Sometimes the results are dramatic because a few people
show LOTS of tonic accommodation.

But still tonic accommodation causes only a LITTLE of total myopia.

It is naive to say you're "curing myopia" by removing tonic accommodation.

Most real myopia happens because the eye grows too long.

We know a way to slow it down, but our FDA has not approved the treatment.

Blood sugar goes together with the potassium. After effort the potassium
in the blood is also higher.

Well you might make a case for elevated potassium in the aqueous but I'm
wondering if you know much about osmosis and the normal range of blood
electrolytes and solutes. I don't think you could vary K+ or Na+ enough to
get the osmotic pressure of 350 mM/L sugar in the aqueous. Hyperkalemia
would kill you pretty quick, sodium somewhat longer.

So the high tonic accomodation may by caused by high potassium

This is foolish.

The only remede may be the John Rollo's diet.

I don't think you will find much connection between diet and tonic
accommodation.

You are not likely to find a reliable method for curing real (anatomical)
myopia. Tonic accommodation is small potatoes.

Sometimes the results are dramatic because a few people show LOTS of
tonic accommodation.

This is the key aspect. Blurry is nothing wrong but an big discomfort
which accompany the tonic accomodation is very unpleasant..

But still tonic accommodation causes only a LITTLE of total myopia.

But is unpleasent.

Not at all is better than "LOTS of tonic accommodation".

We know a way to slow it down, but our FDA has not approved the
treatment.

Could you describe this treatment in a few words.

Sodium has narrow range (in blood) the potassium much wider. For salt
loser is better to keep low potassium in the diet than very high sodium.

I don't think you will find much connection between diet and tonic
accommodation.

It will be seen in a short time. I will try it on myself. Cuts on plant
starch do not kill me.

"Szczepan Bia³ek" <sz.bia...@wp.pl> wrote

Sometimes the results are dramatic because a few people show LOTS of
tonic accommodation.

This is the key aspect. Blurry is nothing wrong but an big discomfort
which accompany the tonic accomodation is very unpleasant..

Rarely enough to "suffer" in myopia. If you want to relieve suffering, find
the uncorrected +4 diopter _hyperopes_ and give them glasses.

But still tonic accommodation causes only a LITTLE of total myopia.

But is unpleasent.

Not usually.

Not at all is better than "LOTS of tonic accommodation".

It's pretty rare in myopia. It's common in hyperopia.

We know a way to slow it down, but our FDA has not approved the
treatment.

Could you describe this treatment in a few words.

Pirenzepine gel in each eye at bedtime. Every night for ten years.

Sodium has narrow range (in blood) the potassium much wider. For salt
loser is better to keep low potassium in the diet than very high sodium.

For osmotic pressure to dehydrate the crystalline lens, you'd need fatal
levels of sodium or potassium.

I don't think you will find much connection between diet and tonic
accommodation.

It will be seen in a short time. I will try it on myself. Cuts on plant
starch do not kill me.

Tonic accommodation is not myopia.

-MT

"Szczepan Bia³ek" <sz.bialek@wp.pl> wrote

We know a way to slow it down, but our FDA has not approved the
treatment.

Could you describe this treatment in a few words.

Pirenzepine gel in each eye at bedtime. Every night for ten years.

Sodium has narrow range (in blood) the potassium much wider. For salt
loser is better to keep low potassium in the diet than very high sodium.

For osmotic pressure to dehydrate the crystalline lens, you'd need fatal
levels of sodium or potassium.

I don't think you will find much connection between diet and tonic
accommodation.

It will be seen in a short time. I will try it on myself. Cuts on plant
starch do not kill me.

Tonic accommodation is not myopia.

Pirenzepine gel in each eye at bedtime. Every night for ten years.

Too troublesomeli.

But I base on "Apparently, the act of convergence lengthens the eye".

High potassium in the blood contracts the external muscles. Sodium relax.

Step by step. Less of temporary jumps would be nice.

What's worse: hypermetropia or myopia?

"Szczepan Bia³ek" <sz.bialek@wp.pl> wrote


But I base on "Apparently, the act of convergence lengthens the eye".

It is not "apparent". It is a wild, unfounded assumption contrary to the
facts. Many farsighted people converge too much. They don't get
nearsighted.

High potassium in the blood contracts the external muscles. Sodium relax.

The external muscles do not cause myopia. The internal muscles do not
cause myopia. The sclera causes myopia.

Step by step. Less of temporary jumps would be nice.

I don't know what "temporary jumps" are.

Mike Tyner wrote:
"Zetsu" <absolutelyinvinci...@hotmail.com> wrote

What's worse: hypermetropia or myopia?

There's no answer without context.

What's worse: being too tall or being too short?

At my age, hyperopia would be worse. At your age, hyperopia might not even
matter.

In 16th-century China, the aristocratic families prized literacy and
intelligence, lived well into presbyopia, and successful clerics and
scholars had many concubines and children to pass on their myopia genes.

In 18th-century America, hunting and fighting and outdoor skills were
paramount. Not many lived past 40, and "defective vision" was something kept
hidden away in shame.

In 1974 Cambodia, wearing glasses was a death sentence.

Simple answers, like simple cures, do not always work.

Occam's razor.http://en.wikipedia.org/wiki/Occam's_Razor

I'm not disagreeing with you that the question lacked a framework.

--

Pramesh Rutaji

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