Intraocular Lens TRIZ Cases

A piston tip with circumferential arms deforms to push an intraocular lens through a small injector opening.

Multi-concave liquid meniscus lens applies electrical charge to reshape the interface between saline and oil, resolving ophthalmic size constraints.

A fixing sac with peripheral threads anchors an intraocular implant to the ciliary sulcus, preventing lens tilting and corneal astigmatism.

Synchronized overlapping reliefs on the lens surface resolve intermediate vision contrast loss caused by pupil shrinkage and eccentricity.

A plunger holding part stabilizes rear support parts to prevent twisting and detachment during intraocular lens injection.

Placing additional surface sections on the posterior side eliminates anterior internal reflections that cause optical halos.

A fluorosilicone polymer with high-surface-area silica particles provides optical clarity and low Young's modulus for accommodating intraocular lenses.

Curved transition edges in the helical lens eliminate abrupt accelerations during manufacturing, improving production precision and optical imaging.

Segmented geometry with a 60-degree inner corner reduces stress concentrations and prevents lens scratches.

Metasurface elements with nanoscale metallic features alter light phase characteristics for dynamic optical adjustments in ophthalmic devices.

A tunable liquid crystal intraocular lens adjusts optical power via electro-optic effects to restore vision.

A plunger with a protrusive part pushes the lens contact section to eject an intraocular lens through a nozzle.

Segmented injection passages fold the IOL optical part while aligning support parts, preventing misalignment during eye insertion.

An intraocular lens with an annular notch captures the capsulorrhexis edge to secure fixation in the ciliary sulcus.

Nested spring inside hollow plunger resists advancement to prevent overshooting while protecting the mechanism from damage.

A thermally cross-linkable saturated block copolymer forms elastic intraocular lens materials through anionic polymerization and heat treatment.

A hybrid contact lens uses fenestrated channels to facilitate tear fluid exchange between the cornea and the environment.

A hook portion extends along ciliary processes to transmit muscle movement directly to an intraocular lens via a leg portion.

Gussets link the optic to haptics, allowing a larger optic diameter while minimizing volume for insertion through small incisions.

A ring-shaped intraocular lens support body with specific contact portions transfers mechanical forces from the eye's zonule of Zinn to the optical lens.

Radiation-sensitive haptics and a shape memory element enable in situ diopter adjustment, eliminating complex surgical interventions for vision correction.

An accommodating intraocular lens uses haptics to stretch the capsular bag and a trapezoidal phase shift optic for pseudo-accommodation.

Fluid pressure reshapes intraocular lenses within a compression chamber, reducing delivery profile while minimizing shear damage.

Segmented transition rails fold intraocular lenses to simplify manufacturing and reduce corneal astigmatism risk.

Radial compression actuates a deformable lens chamber to shift focus, resolving presbyopia without rigid structural support.

An ophthalmosurgical injector integrates a lubricant cartridge within the barrel cavity to enable controlled lens ejection.

An inflatable intraocular retainer restores the natural geometric shape of the lens capsule using elastic deformation and hydraulic pressure.

Visual indicators on the distal end member confirm opening member position inside the cornea, preventing abnormal lens behavior caused by incomplete insertion.

Electromagnets compress a haptic capsule to alter lens curvature, resolving the trade-off between adaptive focal capability and device complexity.

A modular intraocular lens system uses a separable secondary optical component to enable precise repositioning within the eye.

Dual-sided overlapping optical sectors restore near vision at narrow pupils without compromising distance vision.

Segmented haptics wings nest inside the syringe barrel while angled edges guide sequential unfolding to resolve mechanical integrity versus device complexity.

Hollow cylinder deforms flexible membrane to change intraocular lens curvature, transmitting capsular bag force for clear near and distance vision.

An intraocular lens insertion apparatus uses an oblique roof and curved tip to guide the lens into the eye.

A delivery system uses actuators to control intraocular lens deformation for minimally invasive insertion.

Quantum dot markers on intraocular lenses emit detectable light to identify lens orientation, resolving visibility issues caused by iris obscuration.

Injector assembly uses a holder to remove the seal from an insertion component before lens deployment.

Segmented lens implants employ swelling fasteners to achieve rotational stability, compensating for corneal irregularities and coma.

Form-locking haptics replace adhesives in intraocular lenses, preserving flexibility for smaller incisions and reducing glaucoma risks.

A memory material fixation device with a collapsible catch-shaped end deploys from a delivery system to engage tissue surfaces.

Dual-level winglets fold hydrophobic and hydrophilic lenses to reduce damage risks during small incision insertion.

Extracting the lens from the capsular bag allows haptics to directly couple ciliary motion, resolving inefficient energy transfer.

Segmenting the intraocular lens into removable components allows post-operative refractive accuracy of ±0.25 D without additional surgery.

Rectangular protrusions on a customized intraocular lens prevent rotation in the capsular bag, ensuring stable alignment for effective astigmatism correction.

Reducing the edge angle below 90 degrees and increasing vault height raises capsular bend pressure to prevent posterior capsule opacification.

Projection elements penetrate capsular bag tissue to eliminate suturing, reducing surgical time and preventing tissue damage during implant placement.

A rear-loaded intraocular lens cartridge uses a proximal haptic slot to guide and fold the leading haptic across the optic during insertion.

A shape memory alloy haptic enables post-surgical repositioning of an intraocular lens using electromagnetic energy.

Segmenting the lens body into nested molded parts resolves the trade-off between large optical diameter stability and small incision insertion.