The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb.
AAA batteries are not included.
No products in the cart.
The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb.
The pocket clip serves as a pressure-activated switch. This pen uses a “soft” LED bulb.
AAA batteries are not included.
| Brands | iAdvantec |
|---|
Large Fixation Disparity Polarized Target vectographic two-dimensional card comes with 2 Fixation Disparity Crosses positioned vertical from one another introducing a new Fixation Disparity Cross design (bottom cross at 20/100 acuity level).
This double-sided near vision card combines proportionally-spaced lines on one and 50% spaced rectangle (Massachusetts Visual Acuity Test Format) on the other. Attached 16-inch (40 cm) measuring cord ensures proper screening distance. Includes flash cards and instructions.8 in x 10 in (20.3 cm x 25.4 cm).
16-inch, 40 cm testing distance.
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