Contact lens case

The contact lens case with a mounting convex portion and cavity design addresses spillage and handling issues by ensuring stable lens immersion and easy use, enhancing user experience.

WO2025192608A1PCT designated stage Publication Date: 2025-09-18MENICON CO LTD
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Patent Information

Application Number
PCT/JP2025/009161
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-03-12
Filing Date
2025-03-11
Publication Date
2025-09-18

AI Technical Summary

Technical Problem

Conventional contact lens cases pose issues such as spillage of storage solution when opened, difficulty in handling contact lenses without contaminating them, and inadequate immersion of lenses due to reduced storage solution volume.

Method used

A contact lens case with a mounting convex portion that holds the lens and a cavity in communication with the storage area, ensuring a large volume of storage solution while preventing spillage and facilitating easy lens handling.

Benefits of technology

The solution ensures stable lens immersion and easy handling by maintaining a sufficient volume of storage solution within the case, reducing spillage, and enhancing user operability.

✦ Generated by Eureka AI based on patent content.

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  • Figure JP2025009161_18092025_PF_FP_ABST
    Figure JP2025009161_18092025_PF_FP_ABST
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Abstract

Provided is a contact lens case based on a new technical idea, the contact lens case being capable of ensuring the capacity of a preservation liquid while suppressing spillage of the preservation liquid to the outside of the case when the case is opened.　A contact lens case 10 includes a lens accommodating region 20 for accommodating a contact lens 12 together with a preservation liquid 14, and a cavity portion 34 for holding the preservation liquid 14 and suppressing spillage of the preservation liquid 14 when the case is opened is formed in a state communicating with the lens accommodating region 20, inside a placement projecting portion 42 on which a rear surface of the contact lens 12 is overlaid.
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Citation Information

Patent Citations

  • Packaging container for disposable soft contact lens

    JP2005231740A

  • contact lens package

    JP2005530657A

  • Shipping container for contact lens

    JP2012110592A

  • Lens holding member and contact lens packing container using the same

    JP2014218255A

  • Contact lens packaging and opening method

    JP2024502390A