intraocular pressure

Prudence, Horror and Intraocular Pressure

Submitted by dave on Wed, 03/30/2011 - 5:21pm

Recently we had a discussion on the FitEyes email list about experimenting with glaucoma medications. As part of that discussion, people expressed that they were horrified or fearful. At least one person responded by advocating a prudent stance. I certainly do not disagree with the advice given. In fact, I think everyone who responded to the original post was in agreement that the thing the original questioner contemplated was totally inappropriate for the person's skill level. So that was the end of that discussion, rightly so.

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If the IOP readings are ever high it proves that they do go that high

Submitted by dave on Fri, 01/28/2011 - 1:57pm

From a reader:

The doctor looked at my self-tonometry eye pressure data I brought with me. But he did not give my data much credence. He said if the  intraocular pressure readings are ever high then that shows that they do go that high. He is quite intimidating.

The assumption by the doctor is that he must target his treatment at the maximum intraocular pressure peak no matter how short it lasted, or how infrequent it is or what caused the IOP to rise.

Ophthalmologists are not yet familiar with the concept of the ocular white coat syndrome (white coat ocular hypertension). Our self-tonometry data may show that our IOP is lower outside the doctor's office than inside the office. Many of us believe this is an important consideration and a few doctors are starting to pay close attention to this information.

But reading your doctor's intimidating response gave me an idea...

You should all listen to this Ivan Goldberg interview

Submitted by dave on Fri, 01/07/2011 - 8:37pm


This audio file contains an interesting interview with Dr. Ivan Goldberg (University of Sydney). Dr. Ritch recommends that we all listen to it.

Members of the FitEyes self-tonometry group should be regularly utilizing the water drinking test. See this message:

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Research on how moods affect eye pressure

Submitted by dave on Sat, 12/18/2010 - 1:16pm

In an upcoming version of the FitEyes Insight software I hope to provide a very easy way to track moods along with eye pressure measurements. In preparation for that, I am working on a list of moods.

If those of us monitoring our own eye pressure at home want to correlate our moods with changes in our IOP, we will need some standardized definitions of moods.

How I first became aware that my ego could raise my eye pressure

Submitted by dave on Thu, 12/16/2010 - 12:24am

This is a story about my first clues into the role my ego played in my intraocular pressure fluctuations (and spikes). This happened in 2006 or 2007 after I had started self-tonometry and had been doing it long enough to see a clear relationship between stress and my eye pressure.

A long-time friend invited me to an informal dinner with a world-famous celebrity. I had met the celebrity previously and we got along fine. We shared a common interest in health topics, so the conversations were always interesting.

How important are nutrients like resveratrol in managing eye pressure?

Submitted by dave on Mon, 12/06/2010 - 10:07pm

Ellen Troyer and others had a nice conversation about resveratrol in the mailing list. (I can post the whole conversation below if requested.) 

I enjoyed reading this conversation. There are lots of good points here. However, for me, the single most important statement was the one below by Ellen.

Since resveratrol is only one of the nutrients found in grapes and wine, it makes biological sense that it would be the most effective when presented with a balanced amount of other polyphenols molecules. 

Anti-VEGF Therapies May Lead to Sustained Intraocular Pressure Spikes

Submitted by dave on Mon, 11/01/2010 - 4:28pm

Presented at AAO, Chicago

The use of intravitreal injections of vascular endothelial growth factor inhibitors (anti-VEGF) to treat diseases such as age-related "wet" macular degeneration (AMD), may also put some patients at risk of elevated intraocular pressure (IOP) and therefore at risk of vision loss due to glaucoma. According to data presented here October 17 at the Annual Meeting of the American Academy of Ophthalmology (AAO), potentially dangerous increases in IOP have been seen in some patients who have had multiple injections of drugs such as bevacizumab and ranibizumab.

Compressing Eyeball to lower IOP

Submitted by quarkman on Thu, 10/14/2010 - 7:44am

Does anynone here know of technique consisting of compressing one's eyeball to open Schlemms's canal and thus opening it? My doctor recommended me to do this 3 times a day and it results. After compressing the eyeball, my IOP goes down significantly. Yesterday I went to an Optical firm (an optometrist) and, when i entered ther, my tension was at 35. After compressing the eyeball it went down to 22 and after compressing it again, it went down to 18.


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