Astigmatic out-of-focus spectacle lens and spectacles
The utility model discloses an astigmatic out-of-focus spectacle lens and a pair of glasses. The spectacle lens comprises a mother lens and at least one group of ring belts arranged on the mother lens, the mother mirror comprises an optical center; the annular belt takes the optical center as a circ...
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model discloses an astigmatic out-of-focus spectacle lens and a pair of glasses. The spectacle lens comprises a mother lens and at least one group of ring belts arranged on the mother lens, the mother mirror comprises an optical center; the annular belt takes the optical center as a circle center and is arranged along the radial direction of the mother mirror; the annular belt comprises a plurality of groups of micro lenses which are connected with one another, and the width W1 of the micro lenses in any first direction and the width W2 of the micro lenses in a second direction perpendicular to the first direction meet the condition that W1-W2 is larger than or equal to 0.1 mm and smaller than or equal to 4.0 mm. After a wearer wears the glasses, when the eyes penetrate through the annular belt structure, a myopic defocusing function for carrying out hypercorrection on hyperopic defocusing on the periphery of the retina and an astigmatism defocusing function on the periphery of the retina can be a |
---|