1. Markings on a blank lens for surfacing should include which of the following indications? a. Calipering points b. Cylinder axes points c. Prism base and directions d. All th... 1. Markings on a blank lens for surfacing should include which of the following indications? a. Calipering points b. Cylinder axes points c. Prism base and directions d. All the above 2. The recommended dimension for a diamond wheel for a manual edger should be: a. 6 inches diameter and 2 inches wide b. 2 inches diameter and 6 inches wide c. 6 inches diameter and 1 inch wide d. 1 inch diameter and 6 inches wide
Understand the Problem
The image presents two multiple-choice questions related to lens surfacing and manual edgers. The first question asks about the necessary markings on a blank lens for surfacing. The second question asks about the recommended dimensions for a diamond wheel in a manual edger.
Answer
3. d. All the above. 4. c. 6 inches diameter and 1 inch wide.
The answer to question 3 is d. All the above. The answer to question 4 is c. 6 inches diameter and 1 inch wide.
Answer for screen readers
The answer to question 3 is d. All the above. The answer to question 4 is c. 6 inches diameter and 1 inch wide.
More Information
Lens surfacing requires precise markings for accurate grinding and polishing to achieve the correct prescription. Diamond wheels are used in manual edgers to shape lenses.
Tips
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