CVBH Training

3. The cable carrying retinal signals to the brain.
5. Cutting lenses to fit the frame.
7. Both eyes
8. The bridge measurement.
10. Left eye
11. Right eye
12. What is acetate also called?
15. Clear front window of the eye.
16. When generating the computer/intermediate Rx, the Axis and __________ stay the same.
17. Outer layer that protects the inside of the eye,
19. The bending of light through a transparent medium.
20. Eye too short - image lands in front of the retina.
21. Sphere is negative on Rx.
24. CVBH's primary lens supplier.
25. B-Measurement = ________
29. Coloured muscle that opens and closes the pupil to control how much light enters.
30. Fully hypoallergenic metal.
33. Optic nerve damage, often from elevated eye pressure
35. Cornea shaped like a football.
37. _______ Rules: Add Sphere + Cyl. Change the Cyl sign. Rotate the axis by 90 degrees.
38. Used to measure PD's.

1. A nickel-titanium alloy with shape memory.
2. Distance Sphere + ADD = ________
4. The forward tilt of the frame front.
6. Unit of lens focusing power. Higher number = Stronger lens.
9. How many optical stores does CVBH have?
13. Titanium alloyed with vanadium or aluminum.
14. Age-related stiffening of the lens, starts around 40.
16. Cloudy crystalline lens, usually age-related.
18. Very first CVBH store location.
22. We never give out this information over the phone.
23. A-Measurement = ________
26. Direction of Astigmatism
27. Small central spot on the retina responsible for sharp, detailed, central vision.
28. A ______ hinge allows the temple to flex past 90 degrees.
31. Grinding lenses to prescription
32. A _______ sphere means the client is farsighted.
34. An ______ power on the Rx tells you the client has presbyopia.
36. Another name for the end piece - the corner where the temple attaches.