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Magnetic Resonance Imaging in Patients With Low-Tension Glaucoma-Reply

Magnetic Resonance Imaging in Patients With Low-Tension Glaucoma-Reply Abstract In reply We are grateful for the kind comments from Dr Lee regarding our article "Magnetic Resonance Imaging in Patients with Low-Tension Glaucoma." We believe he raises an important question regarding the incidence of migraine in our study and control populations. When we originally examined this question we found that one patient in each group had a history of migraine. The prevalence was so low that we did not report it in our article. We want to thank Dr Lee, however, for raising the question.The association of migraine (vasospasm) in patients with low-tension glaucoma is an important one. Indeed, further evidence regarding vasospasm in low-tension glaucoma includes the potential usefulness of calcium channel blockers in preventing visual function and neural rim loss,1 although this has been controversial; magnified response to cold-water testing in some patients with low-tension glaucoma2; and the ease of induced vasospasm3 in patients References 1. Netland PA, Chaturvedi N, Dreyer EB. Calcium channel blockers in the management of low-tension and open-angle glaucoma . Am J Ophthalmol . 1993;115:608-613. 2. Drance SM, Douglas GR, Wijsman K, Schulzer M, Britton RJ. Response of blood flow to warm and cold in normal and low-tension glaucoma patients . Am J Ophthalmol . 1988;105:35-39. 3. Harris A, Shoemaker JA, Sergott RC, et al. Vasospasm in normal tension glaucoma: color Doppler imaging assessment of carbon dioxide reactivity in orbital vessels . Invest Ophthalmol Vis Sci . 1994;35( (suppl) ):1254. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Magnetic Resonance Imaging in Patients With Low-Tension Glaucoma-Reply

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Magnetic Resonance Imaging in Patients With Low-Tension Glaucoma-Reply

Abstract

Abstract In reply We are grateful for the kind comments from Dr Lee regarding our article "Magnetic Resonance Imaging in Patients with Low-Tension Glaucoma." We believe he raises an important question regarding the incidence of migraine in our study and control populations. When we originally examined this question we found that one patient in each group had a history of migraine. The prevalence was so low that we did not report it in our article. We want to thank Dr Lee, however,...
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References (7)

Publisher
American Medical Association
Copyright
Copyright © 1995 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1995.01100100017009
Publisher site
See Article on Publisher Site

Abstract

Abstract In reply We are grateful for the kind comments from Dr Lee regarding our article "Magnetic Resonance Imaging in Patients with Low-Tension Glaucoma." We believe he raises an important question regarding the incidence of migraine in our study and control populations. When we originally examined this question we found that one patient in each group had a history of migraine. The prevalence was so low that we did not report it in our article. We want to thank Dr Lee, however, for raising the question.The association of migraine (vasospasm) in patients with low-tension glaucoma is an important one. Indeed, further evidence regarding vasospasm in low-tension glaucoma includes the potential usefulness of calcium channel blockers in preventing visual function and neural rim loss,1 although this has been controversial; magnified response to cold-water testing in some patients with low-tension glaucoma2; and the ease of induced vasospasm3 in patients References 1. Netland PA, Chaturvedi N, Dreyer EB. Calcium channel blockers in the management of low-tension and open-angle glaucoma . Am J Ophthalmol . 1993;115:608-613. 2. Drance SM, Douglas GR, Wijsman K, Schulzer M, Britton RJ. Response of blood flow to warm and cold in normal and low-tension glaucoma patients . Am J Ophthalmol . 1988;105:35-39. 3. Harris A, Shoemaker JA, Sergott RC, et al. Vasospasm in normal tension glaucoma: color Doppler imaging assessment of carbon dioxide reactivity in orbital vessels . Invest Ophthalmol Vis Sci . 1994;35( (suppl) ):1254.

Journal

Archives of Ophthalmology – American Medical Association

Published: Oct 1, 1995

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