Clinical Trial Items, Ophthalmic Clinical Research
SKU : 7021 7022 7023
Jackson Cross Cylinder 0.25 and 0.50 and 1.00
SKU : 7021 7022 7023
Hand Held Jackson Crossed Cylinder is mounted on a knurled handle, making it easy to flip.
Hand Held Jackson Crossed Cylinder is mounted on a knurled handle, making it easy to flip.
The high optical quality lens has red and black axis etching.
| Brands | Precision Vision |
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Ophthalmic Clinical Research, Other charts
BRVT The Berkeley Rudimentary Vision Test
For Visual acuity levels beyond the limit of the letter charts, the common practice is for clinicians to categorize vision according to whether the patient can count fingers (CF) or detect hand motion (HM), but there is no recognized or standard procedures for doing this.
SKU: 4500 -
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Pelli Robson chart
Pelli Robson Contrast Sensitivity Chart Set of 2
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Pelli Robson chartPelli Robson Contrast Sensitivity Chart Set of 2
Features Traditional Sloan Optotypes. For use at 100 cm (1m). Includes two charts which may be wall or easel mounted and score sheets.
Acuity Level 40M (20/320) at 1 Meter.
SKU: 5014
