intraocular pressure

Can we estimate our eye pressure with our finger?

Submitted by Anonymous (not verified) on Fri, 08/07/2009 - 10:37am

I am trying right now to get a feel of my pressure by just touchng the eyes with my index fingers. I can tell if it's high or low but I would like to become very accurate with the help of a tonometer. Which one do you recommend and what the difference in mg with for example a Goldman, Thanks.

weight lifting question for glaucoma patient

Submitted by Anonymous (not verified) on Wed, 08/05/2009 - 6:52pm

weight liftingHi,
I just found your blog -- it is quite interesting. I have pigmentary glaucoma diagnosed ten years ago.

I read your posts on weight lifting. I understand that the bench press was implicated for some as correlated with an IOP spike. My question is... what about an INCLINE or STANDING press, where the head is well above horizontal? Does that also cause an IOP rise or not?

Thank you,

Excitement raises eye pressure?

Submitted by dave on Sat, 07/11/2009 - 10:03pm

Question: I just had a really fun and exciting time and I measured my intraocular pressure afterwards (via self-tonometry). After this stimulating time, the intraocular pressure was average 25pts. It is usually only 16 this time of night.

Therefore, I think adrenalin plays a big part in my elevated eye pressures.

Does Licorice Increase Intraocular Pressure?

Submitted by dave on Sun, 06/28/2009 - 7:19pm

Does Licorice Increase Intraocular Pressure? I attempted to answer this question for a friend today.

Here is the information I have so far:

1. Glycyrrhizin is the main sweet tasting compound from liquorice root.

2. A derivative of glycyrrhizin is glycyrrhetinic acid.

3. Glycyrrhetinic acid inhibits 11β-HSD1 (11β-hydroxysteroid dehydrogenase type 1; 11βHSD1 is an NADPH-
dependent enzyme highly expressed in the liver and adipose tissue).

Lowering of intraocular pressure by wild carrot seed extract in rabbits

Submitted by dave on Fri, 06/19/2009 - 7:53am

In normotensive rabbits topical application of Daucus carota seed extract at the concentration of 0.3, 0.6 and 1.2% resulted in mean IOP reduction of 19.33. 23.20 and 25.61% respectively from baseline.

As no significant difference was observed between the change in IOP in 0.6 and 1.2% extract treated groups, 0.6% concentration was chosen for further evaluation in rabbits with experimentally elevated IOP.

Drink Coffee? Have Glaucoma or Elevated Eye Pressure? Read this.

Submitted by dave on Sun, 05/31/2009 - 7:46pm

Avisar R, Avisar E, Weinberger D: Effect of coffee consumption on IOP. Ann Pharmacother 2002;36:992-995.

BACKGROUND: Many ophthalmologists instruct patients with glaucoma to avoid coffee, although data supporting this practice are insufficient.

OBJECTIVE: To estimate the effect of drinking coffee on IOP.

Meeting To Discuss Non-medical Management of Eye Pressure and Self-Tonometry

Submitted by dave on Sat, 05/30/2009 - 1:59pm

This year the World Glaucoma Congress (WGC) is taking place in the United States (Boston, MA) from July 8th to 11th. Dr. Ritch will be there, as will Marcel and I.

I believe all of you know, or know of, Dr. Ritch. Marcel is a key founder of the International Society for Self-Tonometry (ISST), of which Dr. Ritch is Honorary Chairman. Marcel is a driving force behind getting me and several other self-tonometrists together in Boston.

New prostaglandin derivative for glaucoma treatment

Submitted by dave on Mon, 05/25/2009 - 4:35pm

A hydrogen sulphide-releasing derivative of latanoprost acid (ACS 67) was synthesized and tested in vivo to evaluate its activity on reduction of intraocular pressure and tolerability. Glutathione (GSH) and cGMP content were also measured in the aqueous humour. The increased reduction of intraocular pressure, with a marked increase of GSH and cGMP and the related potential neuroprotective properties, make this compound interesting for the treatment of glaucoma.


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