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VisionCare Product News Volume 6, Number 9 • September 2006 Fundamentals of Progressive Lens Design
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日期：2025-07-01
Page 5 Binocular Vision Progressive lens designs were originally symmetrical, meaning that the right and left lenses were identical. To achieve the desired near inset, the lens blanks were rotated 9 to 11 . However, this raised the unwanted cylinder power...看更多
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