ABO NOCE Basic Opticianry

Category - Laws, Regulations, and Standards

What is the ANSI standard for cylinder axis tolerance for a cylinder power that is greater than 1.50?
  1. One (+/-)
  2. Two (+/-)
  3. Three (+/-)
  4. None of the above
Explanation
Answer: B - The ANSI standard for cylinder axis tolerance for a cylinder power that is greater than 1.50 is two (+/-).
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