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Optician Training: How To Use The Optical Cross
25:04
YouTubeLaramy-K Optical
Optician Training: How To Use The Optical Cross
The Optical Cross: Learn how and why we draw the principle powers and meridians of a lens on paper. Learn More: https://opticianworks.laramyk.com/ The Optical Cross: The combination of a lens front base curve and its back curve (or curves) results in the total power of the lens. This power can be drawn on paper and it can include where on the ...
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