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FAQ - Glaucoma, Angle-Closure
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Creeping angle closure glaucoma, a disease entity or patogenesis ??


In most cases of angle closure glaucoma there is asymmetric closure involving first the superior angle, but there can also be an even circumferential closure that slowly progresses symmetrically. This is sometimes called "creeping angle closure" and appears as an angle that becomes progressively more shallow over time. So the answer is pathogenesis of acute angle closure glaucoma.  (+ info)

can anyone please explain to me,why do we have pain and sudden loss of vision in angle closure glaucoma? tq?


The pain is due to pressure buildup.

Do some research on glaucoma and you should be able to find information on what happens when a person is having an 'attack'.

My mother has it and had to have laser surgery (years ago) to relieve the pressure.  (+ info)

Why should valium not be used if you have narrow angle glaucoma?


I have looked all over the internet and can't find the answer, I know it says not to use it if you have NAG, but I don't understand why. My doctor has perscribed some to me, and two years ago I was treated for acute narrow angle glaucoma, and told that it could come back in the future. I haven't been checked since. I would really like to know what happens if I take the meds and my NAG is back. I really need some sleep!
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Evidently, it could raise the pressure in your eyes.  (+ info)

Why can't people with acute narrow-angle glaucoma take Xanax?


I would like to know the effects it causes on the glaucoma. All I've been able to find is information telling me that you don't take Xanax when you have narrow-angle glaucoma... Why?
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xanax is a narcotic and causes your body to hold onto fluids, if there is increased fluids in your system it puts further pressure on your eye (that you wont necessarily feel) which can worsen your glaucoma and can lead to irreversible damage...  (+ info)

How much does lazer surgery for acute angle glaucoma cost in Texas?


NO Insurance! How much does it cost without insurance, and, what percent cash discount might one expect if one asks for a cash discount???(Ex: $1200 - 30%cash discount = $800 patient pay)
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Laser surgery for glaucoma related to angle closure is a quick procedure. Since cost is an issue, you may need to go to one of the large county or urban medical centers that is funded to care for folks without insurance. If going to one of those centers is not an option, then I'd ask a private ophthalmologist in your area what it would cost for and discuss a payment plan.  (+ info)

Is there a drug for anxiety that would be like Xanax that I can take with narrow angle glaucoma?


I get my pressure in my eyes checked every 6 months. I do not use drops.
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The best person to answer your question would be your nearest Pharmacist they are the specialist and know more about medications than doctors.  (+ info)

What is 'closed angle glaucoma' and what causes it?


What can be done to avoid this from happening?
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thats a good answer by nick...except i want to add the following:

angle closure glaucoma is usually a physiologic and ANATOMICAL/MORPHOLOGICAL problem. in other words the people who get it have a certain specific anatomy inside their eye that they were born with that makes them more susceptible to the condition. some anatomical features that would cause/contribute to angle closure are "narrow angles" and "plateau iris".

and there is at least one preventative measure: laser peripheral iridotomy (LPI)...basically a surgeon takes a laser and burns a hole in the iris to make another "drain hole" and prevent pressure buildup. it works in the vast majority of cases...  (+ info)

Is there such a diagnosis as "closed angle" that is not, I repeat, not glaucoma?


My mother-in-law came back from her eye specialist the other day and says he diagnosed her with "closed angle" and yet claims that the specialist said that she does not have glaucoma. Is that diagnosis possible or did she hear wrong? Based on what I've found on the internet so far, "closed angle" is a form of glaucoma. But hey, what do I know?! I told her to get a second opinion.
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There may be a very small window period between; when one develops narrow angle and when the intraocular tension rises. If a patient is diagnosed during this period, he/ she may be having a normal tension hence no glaucoma.
But it is theoretical. Chances are, she misunderstood the doc.
You are right about the second opinion anyway.
Good luck with your mother-in-law.  (+ info)

why is diphenhydramine contraindicated in Narrow angle glaucoma, acute asthma and pregnancy?


i am looking for a reference in why they are contraindicated other than they just are...thanks for any help
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In addition to its antihistamine properties, diphenhydramine has anticholinergic properties (that is, it blocks the action of acetylcholine, which is used primarily by the parasympathetic nervous system).

According to the website I'm linking to below:

1) Diphenhydramine is relatively contraindicated in patients with asthma and COPD, especially during acute attacks, because anticholinergic actions may thicken secretions and reduce expectoration.

2) Diphenhydramine is classified as pregnancy category C. Antihistamines generally are not recommended for use in pregnancy, especially during the third trimester, because there is a risk of seizures in the fetus. Risks-benefits should be considered during pregnancy and in women expecting to become pregnant. Antihistamines are contraindicated for use in women who are breast-feeding because they can induce hyperexcitability in the infant, seizures in premature infants, and inhibited lactation. Alternative methods of feeding are recommended if diphenhydramine therapy is deemed necessary.

3) Diphenhydramine should be used with extreme caution in patients predisposed to or with closed-angle glaucoma. Due to its anticholinergic actions, it can increase intraocular pressure, precipitating an acute attack of glaucoma. Diphenhydramine must also be used cautiously in patients with open-angle glaucoma; glaucoma therapy may need to be adjusted.

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By the way, on this last point, one way it leads to increased intraocular pressure is by causing the pupil to dilate, which blocks the normal flow of aqueous humor (the fluid inside the eyeball) out of the eyeball.  (+ info)

what is the difference between narrow-angle glaucoma and closed-angle glaucoma?


what my instructor gave me to work with doesn't specify a difference :(
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