Visual Field Perimetry Testing Equipment are used by eye doctors to look for signs of vision loss in patients. During the non-invasive test, a patient sits and looks inside the instrument at a screen. Every time the patient sees a flash of light, they are instructed to press a button on a remote. In this way, the patient's entire vision -- including their peripheral or side vision -- is checked, as a loss of peripheral vision can be an early indicator of glaucoma.
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| Company | OCULUS, Inc. | OCULUS, Inc. |
| Item | OCULUS Twinfield® 2 | OCULUS Centerfield® 2 |
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| Vendor Product Page | Company Product Page | Company Product Page |
| Test Strategies | Innovative CLIP (Continuous Light Increment Perimetry) strategy for superfast glaucoma threshold tests, interpolating fast threshold, classical 4-2 bracketing, supra-threshold screening strategies. Manual and automatic kinetic tests. | Innovative CLIP (Continuous Light Increment Perimetry) strategy for superfast glaucoma threshold tests, interpolating fast threshold, classical 4-2 bracketing, supra-threshold screening strategies. |
| Markets Served | USA and Worldwide | USA and Worldwide |
| Stimulus | Blue on Yellow; Goldmann Standard | Goldmann Standard |
| Manual / Automatic | Automatic | Automatic |
| Static / Kinetic | Static or Kinetic | Kinetic |
| Fixation Control | Heijl-Krakau (blind spot), central threshold, CCD camera | Heijl-Krakau (blind spot), central threshold, CCD camera |
| Analysis Software | Full statistics package based on normative databases, integrated in the Windows command software. International printout format, with additional defect curve representation. | Full statistics package based on normative databases, integrated in the Windows command software. International printout format, with additional defect curve representation. |
| Description | The OCULUS Twinfield® 2 provides you with the very best of our more than 50 years of experience in the perimetry area. This device measures the full field of vision using both automatic, static perimetry and automatic or manual kinetic examinations. | Thanks to its ergonomic design, user-friendly program navigation and ease of operation, the Centerfield® 2 Perimeter has proven itself to be an invaluable instrument in the Occupational Health area. The unit performs static perimetry up to 70° |
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