Granted Patent
B2
US 12,416,818 · App. 17/435,636 · Granted Sep 16, 2025
Ophthalmic lenses for reducing myopic progression and methods of making the same
Assignee:
SightGlass Vision, Inc.
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Abstract
A method includes providing an ophthalmic lens having a prescribed optical power, the ophthalmic lens having a surface having a base curvature corresponding to the prescribed optical power, and exposing a material at the surface to laser radiation sufficient to locally reshape the material to form a plurality of lenslets on the surface. The lenslets each have a corresponding optical power that differs from the prescribed optical power of the ophthalmic lens.
Claims (14)
1. A method, comprising:
coating a layer of a first material on a surface of an ophthalmic lens composed of a lens material, the first material being different from the lens material;
exposing the layer of the first material to laser radiation sufficient to remove the first material from discrete locations of the layer and form pits in the surface of the ophthalmic lens at those locations;
after exposing the layer of the first material, depositing a second material over the layer of the first material, wherein the second material fills the pits in the surface of the ophthalmic lens; and
after depositing the second material, removing the layer of the first material from the surface of the ophthalmic lens to provide a pattern of spaced apart regions of the second material on the surface of the ophthalmic lens.
2. The method of claim 1 , wherein at least some of the regions of the spaced apart regions of the second material are myopic defocus lenslets.
3. The method of claim 1 , wherein at least some of the regions of the spaced apart regions of the second material are scattering centers.
4. The method of claim 1 , wherein the regions of the spaced apart regions of the second material comprise both myopic defocus lenslets and scattering centers.
5. The method of claim 4 , wherein the myopic defocus lenses and scattering centers occupy mutually exclusive areas of the surface of the ophthalmic lens.
6. The method of claim 4 , wherein at least some of the myopic defocus lenses and scattering centers occupy a common area of the surface of the ophthalmic lens.
7. The method of claim 1 , wherein the exposure and deposition are synchronized so deposition commences before exposure is complete.
8. The method of claim 7 , wherein exposing the layer of the first material to laser radiation comprises forming first and second pits of the pits, and filling the pits in the surface of the ophthalmic lens comprises filling the first and the second pits, and wherein exposing the second pits occurs after both forming and filling the first pit.
9. The method of claim 7 , wherein the synchronized exposure and deposition are performed by simultaneously moving relative to the lens surface a laser and print nozzle that are fixed relative to each other.
10. The method of claim 1 , wherein the deposition involves depositing discrete volumes of the first material in the pits.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded May 19, 2023
From: HONES, PETER
To: SIGHTGLASS VISION, INC.
Reel/Frame 063706/0610 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded May 19, 2023
From: CHALBERG, THOMAS W., JR
To: SIGHTGLASS VISION, INC.
Reel/Frame 063706/0940 →
Continuity (2)
Provisional Application
62812639
· Mar 1, 2019
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[cited by applicant]