Specialized Multifocal Intraocular Lenses for Niche Environments

Publication ID: 24-11857392_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Multifocal Intraocular Lenses for Niche Environments,” Published Technical Disclosure No. 24-11857392_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857392_0004_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,392.

Summary of the Inventive Concept

An innovative approach to multifocal intraocular lenses tailored for specific, high-security, disaster relief, or extreme weather conditions, offering enhanced performance and adaptability in unique operational environments.

Background and Problem Solved

The original multifocal intraocular lens patent provides a general solution for cataracts and myopia treatment. However, the existing design lacks adaptability for specific, high-security, disaster relief, or extreme weather conditions, which can compromise visual function and eyeglasses independence. The new inventive concept addresses this limitation by introducing specialized variations of multifocal intraocular lenses optimized for these niche environments.

Detailed Description of the Inventive Concept

The new inventive concept comprises multifocal intraocular lenses with unique designs and adaptations for high-security, disaster relief, or extreme weather conditions. For high-security environments, the IOL features an asymmetrical number of active diffractive orders along the optical axis of the eye, ensuring optimized performance. In disaster relief scenarios, the IOL has a variable thickness and constant curvature, allowing for adaptability in unique operational environments. For extreme weather conditions, the IOL incorporates diffractive steps partially inside and outside the base curvature, ensuring optimal performance in high-temperature and high-humidity environments. The new claims provide a comprehensive solution for these specialized applications.

Novelty and Inventive Step

The new inventive concept's novelty lies in its specialized adaptations for high-security, disaster relief, or extreme weather conditions, which are not addressed by the original patent. The inventive step is the introduction of asymmetrical diffractive orders, variable thickness and constant curvature, and diffractive steps partially inside and outside the base curvature, which provide enhanced performance and adaptability in these niche environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in diffractive order selection, surface geometries, and material properties to further optimize performance in specific niche environments. Additionally, the concept could be extended to other specialized applications, such as military or aerospace environments.

Potential Commercial Applications and Market

The specialized multifocal intraocular lenses have significant commercial potential in high-security, disaster relief, and extreme weather environments, offering a competitive edge in these niche markets. Target industries include healthcare, aerospace, and defense, with potential applications in military, emergency response, and high-security facilities.

CPC Classifications

SectionClassGroup
A A61 A61F2/1618
A A61 A61F2/1656
G G02 G02B5/1876

Field of Art

Ophthalmic medical devices, specifically intraocular lens (IOL) design and manufacturing, involving optical engineering, materials science, and surgical implant technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or optical design specialist with expertise in ophthalmic lens design, familiar with diffractive optics, Fresnel zone configurations, and surgical lens optimization techniques

Obviousness Rationale

A PHOSITA would recognize that the PTD's specialized IOL variations represent predictable extensions of the source patent's fundamental diffractive lens design principles. The disclosed modifications of asymmetrical diffractive orders, variable thickness, and specialized environmental adaptations are logical engineering iterations within the established IOL design framework. These variations represent routine design optimization strategies that would be apparent to a skilled practitioner seeking to adapt multifocal IOLs for specific operational contexts.

Obvious Combinations & Variations

Source Patent Element
Concentric Fresnel zones with multiple diffractive orders
PTD Variation
Asymmetrical number of active diffractive orders optimized for high-security environments
Obviousness Reasoning
Selecting and adjusting diffractive orders is a standard design technique for modifying lens performance, representing a predictable variation within known optical engineering practices
Source Patent Element
Diffractive surface with symmetrical topography
PTD Variation
Asymmetrical double-peaked geometry with near-symmetrical local surface characteristics
Obviousness Reasoning
Modifying surface geometry to achieve specific optical properties is a routine design choice for optical engineers seeking targeted performance modifications
Source Patent Element
Basic intraocular lens with spherical and aspherical surfaces
PTD Variation
IOL with variable thickness and constant curvature for disaster relief environments
Obviousness Reasoning
Adapting lens geometries for environmental resilience represents a standard engineering approach to expanding device applicability, utilizing known material and design modification techniques
Source Patent Element
Diffractive lens with concentric zones
PTD Variation
Diffractive steps partially inside and outside base curvature for extreme weather conditions
Obviousness Reasoning
Strategically positioning diffractive elements is a predictable method of optimizing lens performance across different environmental conditions
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857392 and the published technical disclosure, a person of ordinary skill in the art would find the claimed variations of multifocal intraocular lens designs to be obvious extensions of existing optical engineering principles. The disclosed modifications represent routine design optimizations that would be apparent to a skilled practitioner seeking to adapt IOL technologies for specialized environments, thus rendering potential patent claims obvious and unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,392
TitleMultifocal intraocular lens
Assignee(s)HANITA LENSES LTD.