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Doctor insights on: What Do The Numbers In A Glaucoma Reading Mean

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What to do if I have high pressure readings, does this automatically mean What to do if I have glaucoma?

What to do if I have high pressure readings, does this automatically mean What to do if I have glaucoma?

Ocular hypertension: Some people have elevated eye pressures and never develop glaucoma. This is call ocular hypertension. Treating patients with very high pressures has been shown to decrease the risk of developing glaucoma damage. If you have glaucoma--nerve damage with vision loss- you will be treated with drops to lower pressure. ...Read more

Dr. Robert Chang
1,018 doctors shared insights

Glaucoma (Definition)

Glaucoma refers to a group of eye conditions that lead to damage to the optic nerve, the nerve that carries visual information from the eye to the brain. In many cases, damage to the optic nerve is due to increased pressure in the eye, also known ...Read more


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Use travatan for open angle glaucoma. After 8 mos. Oct readings are not the same. Does this mean travatan is not stopping or slowing nerve damage?

Use travatan for open angle glaucoma. After 8 mos. Oct readings are not the same. Does this mean travatan is not stopping or slowing nerve damage?

No: I assume that you are talking about the intraocular pressure that has not changed.. May be need a change in medication. Are you diabetic? Are you losing peripheral vision. You must return to your opthalmologist asap as you are in the right age to possibly lose your sight if not followed closely. ...Read more

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Corneal thickness is 510+ 2. In glaucoma does that mean you add 2 points to my eye pressure reading of 15?

Corneal  thickness is 510+ 2. In glaucoma does that mean you add 2 points to my eye pressure reading of 15?

No: The more important way to judge the pressure in the eye is whether or not there is any evidence of damage from pressure on the optic nerve head. The corneal thickness is a separate measurement the shows whether there is or is not an increased risk of developing glaucoma. Your measurement of 510 means that you do have an increase risk to developing glaucoma. ...Read more

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What does a pressure number in glaucoma actually mean?

What does a pressure number in glaucoma actually mean?

How inflated...: ... The eye is. Pressure is measured in milimeters of mercury (mmhg). Most people have eye pressure between 10-20 mmhg. If it appears higher (especially if there is a family history of glaucoma), your doctor may want to perform some tests to rule out the disease. Pressure is also one of the few tests we can use to see how well our glaucoma treatment is working. ...Read more

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Glaucoma. Past month pressure readings have been 26-31. Have used drops 5 days & reading today was 20. Can it drop that fast?

Yes: A rapid reduction in pressure is common and usually ongoing. This is a very good result and should be protective to your optic nerve. ...Read more

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Diagnosed with glaucoma today. My pressure was 28 but several readings have been 21. What is an acceptable pressure reading to stop damage.

Your target number: Every glaucoma patient has a unique target number that prevents further optic nerve damage. Usually this is about a 20-30% reduction from baseline. This number will be adjusted based on age and severity of the disease. You will be monitored to make sure you stay within your target range, and tested periodically to make sure you are not developing new damage. Don't miss your drops. ...Read more

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In glaucoma is a central corneal thickness reading of 516 considered very thin?

A little: Average corneal thickness is 550. 516 is not terribly thin. A corrected intra-ocular pressure is approximately + 2. ...Read more

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Have glaucoma & received 2 opinions. One dr said corneal thickness was 510 + 2 & other said 516. Why would the readings be different?

Have glaucoma & received 2 opinions. One dr said corneal thickness was 510 + 2  & other said 516. Why would the readings be different?

Same numbers: The numbers are close enough to be the same. Bottom line, the cornea is thin, and the real intraocular pressure is actually higher than the measured pressure. ...Read more

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Glaucoma open angle. Pressure readings taken 4 successive weeks are 20, 26, 28 & 31. Why the wide range of readings in only 1 mo. Which is right?

Several options: Untreated glaucoma can give quite variable readings depending upon the state of the eye, the time of day and your hydration. If you are being treated, then all of the numbers you quote are too high. The devices that measure pressure are + or - 1-2 points so that also causes some variation. If your numbers are correct, then the trend is upwards - not a good thing, and needs attention right away. ...Read more

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