Ophthalmic lens (path length difference regulating lens)

Abstract

1. The name of the design product: eyeglass lens (optical path difference control lens). 2. The use of the design product: eyeglass lens for delaying myopia deepening and correcting vision. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view. 5. Other circumstances that need to be explained: A part enlarged view is a local enlarged view of A in the front view; B-B sectional view is a sectional view of B-B in the front view; C part enlarged view is a local enlarged view of C in the B-B sectional view; D part enlarged view is a local enlarged view of D in the C local enlarged view.

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