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| Early detection is just the beginning to better glaucoma management. |
| The Humphrey® Matrix. |
| The Humphrey Matrix represents the latest breakthrough in visual field
testing. Combining the capability to detect glaucoma early and accurately, with tools for long-term management, the Humphrey Matrix enables you to manage your glaucoma patients for life. |
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Frequency doubling technology isolates a subset of retinal ganglion cells in the magnocellular (M-cell) pathway. Patterns of flickering black and white bars trigger a reaction in these cells, creating an illusion that twice the number of bars are actually present, hence "frequency doubling." Retinal ganglion cells are sparsely populated so there is less redundancy to mask any cell damage. By isolating these cells, Humphrey Matrix detects glaucomatous damage early in the disease process. |
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| The benefits you expect from Frequency Doubling Technology. |
| Since its introduction, over 8,000 doctors have chosen Frequency Doubling Technology to quickly and accurately detect the early stages of visual field loss associated with glaucoma, and other eye diseases. |
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Welch Allyn patented Frequency Doubling Technology |
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Easy on your patients |
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Rapid screening and full threshold results |
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Frequency doubling stimuli reduce patient anxiety during testing |
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No eye patch is necessary |
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