Contrast Sensitivity Tests Non-Illuminated
| Stock Code | Description | Price | ||
|---|---|---|---|---|
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7002200 |
Cambridge low contrast gratings for use at 6 metres A simple test of contrast sensitivity involving a ‘forced choice’. The patient decides which of the two displays presented simultaneously shows a structured series of lines or gratings which vary in width spacing (spatial frequency) as the test proceeds. Particularly useful for examining function of pathological eyes. |
£116.00 | Place Enquiry |
| 7002201 | Pad of 50 charts for Cambridge low contrast gratings | £10.50 | Place Enquiry | |
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7002251 |
Pelli-Robson contrast sensitivity chart for use at 1 metre Developed by Dr D Pelli of Syracuse University, New York and Dr J Robson of University of Cambridge, England. The Pelli-Robson chart utilises letters of the same size but with reducing contrast to provide a quick means of assessing patient contrast sensitivity thresholds. For use at one metre. Two charts are supplied printed with a different sequence of letters, together with instructions for use and a scoring pad. Height 97cm Width 82cm Recommended lighting requirement approximately 913 Lux or 85 cd's m2 |
£230.00 | Place Enquiry |
| 7002252 | Pad of 50 charts for Pelli-Robson contrast sensitivity chart | £6.50 | Place Enquiry |
