Spectacle lenses (optical path difference control structure lenses)

Abstract

1. The name of this design product: Spectacle lenses (lenses with optical path difference control structure). 2. Purpose of the product of this design: Spectacle lenses used to delay the progression of myopia and correct vision. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view. 5. Other situations that require explanation Other explanations: Other situations that require explanation Explanation of changed status: 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 part B in the main view; the enlarged view of part C is a partial enlarged view of part C in the main view; the enlarged view of part D is a partial enlarged view of part D in the A-A sectional view; the enlarged view of part E is a partial enlarged view of part E in the left view.

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