1. Which of the following processes does not take place in large optical laboratories? a. Surfacing b. Lens treatments c. Fitting spectacles d. Repair of ophthalmic instruments 2.... 1. Which of the following processes does not take place in large optical laboratories? a. Surfacing b. Lens treatments c. Fitting spectacles d. Repair of ophthalmic instruments 2. Which one of the following is a lens blank with the convex side factory-finished? a. Semi-finish single vision sphere b. Semi-finished single vision cylinders c. Semi-finished fused bifocal blanks d. Semi-finished ultex bifocal blanks
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Understand the Problem
The image presents two multiple-choice questions related to processes in optical laboratories and lens manufacturing. The first question asks which process doesn't occur in large optical labs. The second question seeks identification of a lens blank with a factory-finished convex side.
Answer
1. Fitting spectacles 2. Semi-finish single vision sphere
- c. Fitting spectacles
- a. Semi-finish single vision sphere
Answer for screen readers
- c. Fitting spectacles
- a. Semi-finish single vision sphere
More Information
Large optical laboratories typically focus on lens manufacturing processes like surfacing and applying treatments. Fitting spectacles requires individual measurements and adjustments best done at the point of dispensing. Semi-finished single vision sphere lens blanks have the convex side factory-finished to a specific base curve.
Sources
- DISPENSING GUIDE - The Vision Council - thevisioncouncil.org
- All About Lens Surfacing - Laramy-K Independent Optical Lab - laramyk.com
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