Colored Contact Lens Gradient Dot Matrix Limbal Ring Design
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Solution Overview
Problem
There is a need for colored contact lenses that can make eyes appear bigger and bolder while maintaining the natural underlying eye color and structure, without dramatically changing the appearance, and ensuring that the design looks natural to others.
Innovation Solution
The solution involves a colored contact lens design featuring a first print of a gradient dot matrix annular ring and a second print of an outer starburst pattern with a limbal ring, where the annular ring and limbal ring have a substantially identical outer diameter, and the first print is concentric with the center of the lens. The first and second prints are applied using pad-transfer or inkjet printing techniques, with the second print having a higher pigment content for increased opacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If opaque colored lenses are used to dramatically change eye color, then the eye color modification effect is improved, but the natural appearance is worsened
Solution Approach 1:
The patent applies different opacity levels to different regions of the lens. The limbal ring uses opaque colored dots for strong visual impact, while the iris enhancement uses translucent colored dots that allow the natural iris color to show through. This local differentiation resolves the contradiction by providing dramatic modification where needed (limbal ring) while preserving natural appearance where it matters most (iris area).
Solution Approach 2:
The lens is divided into distinct functional zones: a limbal ring region with opaque dots for dramatic contrast, an iris enhancement region with translucent dots for subtle color enhancement, and a pupil region. This segmentation allows each zone to serve its specific purpose - the opaque limbal ring provides the bold modification effect while the translucent iris region maintains natural appearance.
2Object-affected harmful factors
If translucent enhancement colors are used to maintain natural appearance, then the naturalness is improved, but the ability to change dark brown iris to blue is worsened
Solution Approach 1:
Different regions of the lens have different optical properties tailored to their function. The limbal ring uses opaque colored dots that can dramatically alter appearance and mask dark irises, while the iris enhancement zone uses translucent dots that maintain natural appearance for lighter irises. This local quality differentiation resolves the contradiction by providing both capabilities in different locations.
3Ease of manufacture
If a continuous opaque pattern is used to modify eye color, then the eye color change effect is improved, but the complexity of the lens design is worsened
Solution Approach 1:
Instead of using continuous opaque patterns, the patent employs discrete colored dots arranged in specific patterns. The limbal ring uses densely packed opaque dots that create an effective opaque barrier, while the iris enhancement uses more sparsely distributed translucent dots. This dotted structure reduces manufacturing complexity compared to continuous patterns while achieving similar optical effects.
Data Source
AI summary
The invention is directed to a colored contact lens designed for making a wearer's eyes to appear larger, bolder, and enhanced color while giving the wearers eyes a very natural appearance. A colored contact lens of the invention comprising a first print of a first color and a second print of a second color, wherein the first print consisting of an annular ring of gradient dot matrix, wherein the second print comprises a limbal ring and an outer starburst pattern, wherein the limbal ring surrounds the outer starburst pattern, wherein the annular ring and the limbal ring have a substantially identical outer diameter and the annular ring has a larger inside diameter than the limbal ring, the first color and the second color are different or the same, wherein the first print and the second print are concentric with the center of contact lens.