Huvitz CDR-9000 - Checking the Visual Acuity for Binocular Vision; Horizontal Coincidence Test at Far

128 Digital Refractor CDR-9000
12.1.12. Checking The Visual Acuity for Binocular Vision
Now, we finished the binocular balance test, verify the right and left spherical
power one more time. Use mask for the foregoing inspection if necessary.
12.1.13. Horizontal Coincidence Test at Far