Spectacular lenses (optical path difference adjustable lenses)

Abstract

1. Name of the product in this design: Spectacular lens (optical path difference adjustable lens). 2. Purpose of this design: Eyeglass lenses used to slow down the progression of myopia and correct vision. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: the front view. 5. Other situations requiring explanation: The A-A sectional view is the A-A sectional view in the main view; the enlarged view of part B is a partial enlarged view of point B in the main view; the enlarged view of part C is a partial enlarged view of point C in the A-A sectional view; the enlarged view of part D is a partial enlarged view of point D in the enlarged view of part C.

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