The CSV-l000SLanC test face provides the same tests as the standard CSV-1000S, except that the acuity test is presented in Landolt C format.
This test is very useful when testing patients who cannot read the English alphabet.
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The CSV-l000SLanC test face provides the same tests as the standard CSV-1000S, except that the acuity test is presented in Landolt C format.
This test is very useful when testing patients who cannot read the English alphabet.
The CSV-l000SLanC test face provides the same tests as the standard CSV-1000S, except that the acuity test is presented in Landolt C format.
This test is very useful when testing patients who cannot read the English alphabet.
Brands | Vector Vision |
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The CSV-1000 can hang on the wavewall, sit on a table or hang from a rolling floor stand. The device can also be used in conjunction with neutral density lenses or trial frames which provide the ability to test mesopic contrast sensitivity, acuity and contrast sensitivity with glare. See the images below for these accessories
The CSV-1000 can hang on the wavewall, sit on a table or hang from a rolling floor stand. The device can also be used in conjunction with neutral density lenses or trial frames which provide the ability to test mesopic contrast sensitivity, acuity and contrast sensitivity with glare. See the images below for these accessories.
The CSV-1000E contrast sensitivity chart test face is the most widely used contrast sensitivity test in the world. This test provides for four (4) rows of sine-wave gratings. At the recommended test distance of 8 ft (2.5 meters), these gratings test the spatial frequencies of 3, 6, 12 and 18 cycles/degree (CPD).
Since 1991, the CSV-1000 has been a mainstay for clinical trials that measure contrast sensitivity, ETDRS acuity, low contrast acuity and glare sensitivity. The self-standardized back lit system automatically initiates and maintains a light level of 85 cd/m2. This light level is recommended by the FDA for vision evaluation. The system is also easy to use and requires no maintenance, thus greatly reducing overhead in clinical trials. The cool fluorescent bulbs used in the CSV-1000 have a 20,000 hour life and draw very little energy. Using the CSV-1000 makes bulb replacement obsolete and creates an energy saving footprint. The device is also configured electrically with a universal power supply so that is very simple to adapt for local electrical requirements by using a plug cord for the country of choice.