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 |
|---|
A vectographic two-dimensional Fixation Disparity Target for assessing Near Point of Fixation Disparity and Associated Vergence Measures at Near.
Set includes Fixation disparity test and adult Polarized.
Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inch, 40 cm testing distance.
WhatsApp us
