Black Out Filter for Trial Lens Frame
Ophthalmic Clinical Research, Clinical Trial Items
SKU : 7030
Black Out Filter for Trial Lens Frame
SKU : 7030
Black Out Filter for Trial Lens Frame
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Black Out Filter for Trial Lens Frame
Black Out Filter for Trial Lens Frame
Brands | Precision Vision |
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Dimensions | 3 × 2.25 × 0.25 in |
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The trans-illuminated versions are identical to the original “Gold Standard” Pelli-Robson Contrast Sensitivity Charts. These charts cover ¾ of the original contrast range and are manufactured to the same true log steps and use the same letters and letter sizes as the originals.
Features Traditional Sloan Optotypes Found in the Original Pelli Robson Chart! For use at 16 in (40cm) Includes three charts, each of which is scrambled.
Acuity Level 10m (20/630) at 40 cm (16 in)
Continuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper.