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Information Request

Question:

with reference how many optometrists use anaesthetic in testing IOP I attended a recent optometry conference and the answer to your question seemed to be approx 50% of British optometrists in the room were using applanation tonometry most instilling either 4% benoxinate or proxymetacaine with fluorescein. regarding question is it possible to have higher IOP (>22mmHg) and not have glaucoma – the condition is called ocular hypertension. hope this helps. Karen

Response:

On Sun, 15 Mar 1998 21:46:01 -0800, "Dr.Trevor Salloum" <tsall…@wkpowerlink.com> wrote: >I’m doing some research  on glaucoma and would like your help. >1.What percentage of people with slightly high IOP (22-3O) develop >glaucoma?

The epidemiological literature has some numbers for this and for those with readings averaging below 22, but I forget them.  The percentage in Japan, however, I’m told, is much higher than in other places. >Since it is possible to have glaucoma without an elevated >IOP, I would guess that it is possible to have  an elevated IOP >without having glaucoma.

Well, that’s certainly well recorded in the clinical literature — at pressures up to the neighborhood of 40. >2. Has anyone heard of  "white coat syndrome" with IOP similar to the >condition in  HBP  which occurs only when the person is in the doctors >office?

I haven’t heard of it to any significan extent.  Some attempts are made in medical environments to avoid such distortions in IOP readings to prevent uncharacteristically high readings. >3. Do most optometrists/opthamologists use topical anesthetic when >testing IOP?

I believe almost all who use applanation tonometry do, and I believe the majority of optometrists and almost all ophthalmologists (Hey, Doc (are you really), you gotta spell your colleagues’ specialty right!) use Goldmann or similar tonometry.  No anesthetic is used with air-burst tonometry. >4.Have any of you tried topical or oral use of the botanical medicine >Coleus Forskoli? It has been used topically to reduce IOP.

Not I. >thank-you in advance >Trevor

Doctor of what?  Phytoceutics? Ray (not an eye-poker)

Response:

Dr. Trevor Salloum writes: >I’m doing some research  on glaucoma and would like your help. >1.What percentage of people with slightly high IOP (22-3O) develop >glaucoma? Since it is possible to have glaucoma without an elevated >IOP, I would guess that it is possible to have  an elevated IOP >without having glaucoma.<

I don’t know. It would be interesting, I suppose. My pressure sat at quite high levels (28 to 46) for years without causing any damage. >2. Has anyone heard of  "white coat syndrome" with IOP similar to the >condition in  HBP  which occurs only when the person is in the doctors >office?<

I haven’t. However, I suspect blood pressure rises in the office of an eye doc as well as an internist, and with it, IOP. The pressure of a finger holding open eyelids while checking pressure, neck position, holding breath, forcibly contracting the eyelid muscles, etc. may well create conditions in which pressure is distorted from what it otherwise might be. >3. Do most optometrists/opthamologists use topical anesthetic when >testing IOP? <

I hope so. >4.Have any of you tried topical or oral use of the botanical medicine >Coleus Forskoli? It has been used topically to reduce IOP. <

This was once considered a promising drug when packaged as Forskolin 10 years ago or so, but to my knowledge, didn’t go very far. (Not a professional response)

Response:

On Sun, 15 Mar 1998 21:46:01 -0800, "Dr.Trevor Salloum" <tsall…@wkpowerlink.com> wrote: ………… >4.Have any of you tried topical or oral use of the botanical medicine >Coleus Forskoli? It has been used topically to reduce IOP.

Aha, the crystal Web ball says we’re dealing with a naturopath!  He should check out a few previous posts around here. Ray

Response:

I’m doing some research  on glaucoma and would like your help. 1.What percentage of people with slightly high IOP (22-3O) develop glaucoma? Since it is possible to have glaucoma without an elevated IOP, I would guess that it is possible to have  an elevated IOP without having glaucoma. 2. Has anyone heard of  "white coat syndrome" with IOP similar to the condition in  HBP  which occurs only when the person is in the doctors office? 3. Do most optometrists/opthamologists use topical anesthetic when testing IOP? 4.Have any of you tried topical or oral use of the botanical medicine Coleus Forskoli? It has been used topically to reduce IOP. thank-you in advance Trevor

Response:

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