Intraocular Lens TRIZ Cases

Block copolymer surfactants prevent glistening formation in high refractive index intraocular lenses.

Motor-driven intraocular lens injector detects resistance faults via back-EMF, ensuring consistent injection force and safe implantation.

A transition surface links primary and secondary optical zones with continuous tangent orientation changes to control light ray trajectories.

Rotating chiral refractive surfaces adjusts focal distances without steep transition zones, eliminating ghost images from diffractive designs.

A bioanalogic intraocular lens uses aspheric hydrogel surfaces to replicate natural crystalline lens optical properties.

A design method for intraocular lenses that determines lens shape using convergent light to match target aberration values.

Segmented haptic rings prevent capsular fibrosis and Posterior Capsule Opacification by preserving aqueous humor circulation.

Dual-layer anti-reflective coatings reduce off-axis glare and ghost images in intraocular lenses by controlling refractive indices.

A resiliently deformable force applicator applies radial pressure to an intraocular lens body for axial movement.

Rotational locking simplifies the interface between intraocular lens cartridges and handpieces, resolving complexity in implantation procedures.

Segmented aspheric surfaces resolve the trade-off between extended depth of field and visual acuity for presbyopia correction.

A foldable intraocular lens uses tapered haptics to absorb compressive forces from capsular bag shrinkage while maintaining optical alignment.

Progressive power variation in multifocal ophthalmic lenses extends depth of focus and reduces halo glare by smoothing zone boundary transitions.

Thermal actuation replaces complex motors to control intraocular lens insertion speed and prevent uncontrolled ejection.

Fluorescent structures generated by UV irradiation or heating reduce calcification propensity in hydrophilic intraocular lenses without chemical additives.

A three-lens intraocular lens uses an articulating actuator to move a center lens along the optical axis.

Angled filling hole and feed channel prevent needle damage to intraocular lens while ensuring reliable lubricant supply.

Interchangeable inserts guide haptic alignment to resolve poor marking precision in manual cataract surgery procedures.

A continuous aspheric surface reduces spherical aberration while a beveled edge minimizes thickness for seamless integration.

Axial compression of the capsular bag deforms struts, increasing cavity diameter and modifying membrane curvature for stable accommodation.

Flexible haptics hook into the ciliary sulcus to stabilize the lens, resolving anatomical mismatch risks that cause inflammation or glaucoma.

A pre-loaded intraocular lens insertion system folds haptics within a holding station for controlled delivery.

A multi-component intraocular lens system uses a removable front lens to enable post-operative refractive adjustments.

A shape-changing intraocular lens uses an elastic anterior face and deformable chamber to transition between accommodated states.

Segmented rigid haptics resist ciliary muscle deformation to maintain stable intraocular lens positioning.

Liquid interface lens adjusts curvature via ciliary muscle forces, resolving the trade-off between fixed refraction and mechanical complexity.

A quasi-spherical ocular implant uses a posterior conical elongation and anterior tunnels to anchor extraocular muscles.

Segmented optics and stiffening layers reduce spherical aberrations while the deformable surface adjusts optical power for clear near and distant vision.

Two shiftable optical elements in an intraocular lens adjust relative position via ciliary muscle actuation to restore accommodative functionality.

Hydrogel swelling entraps antibiotic and anti-inflammatory drugs in a Vitamin-E contact lens, maintaining therapeutic concentrations for extended periods.

Segmented optical surfaces refract light to converge at multiple focal points, eliminating glare and halo effects from uneven refractive rings.

Segmented optics and a self-centering haptic system reduce aberrations and the halo effect in multifocal intraocular lenses.

Segmenting the plunger into a reusable base and disposable soft tip eliminates sterilization time while accommodating multiple cartridge sizes.

An intraocular lens uses a low-add-power diffractive element to extend the depth of focus, reducing reliance on corrective optics for near and far vision.

A foldable intraocular lens uses a continuously curving peripheral rim to redirect off-axis light away from the visual field.

A segmented implantable lens capsule mediates scleral fixation to prevent decentration and inflammation in compromised capsular support.

A preloaded injector uses a rotatable member to fold hydrophobic intraocular lenses.

A flexible titanium alloy backplate with tabs and appendages secures keratoprosthesis implants.

Flexible plunger arms contract to reduce the profile of an intraocular lens component, preventing damage during micro-incision delivery.

Axial capsular bag compression drives fluid flow into an expandable reservoir, changing optical membrane curvature to restore near vision focus.

A multifocal ophthalmic lens uses a progressive optical add power to transition focus between distinct anterior and posterior surface regions.

Segmented semi-aspherical surfaces balance coma aberrations during decentration while maintaining diffraction-limited image quality.

Alternating refractive ring segments maintain consistent light distribution while reducing dysphotopsia and glare from pupil size variations.

Orthogonal liquid crystal cell layers compensate for birefringence-induced image offsets, eliminating double vision in intraocular implants.

Segmenting the drive mechanism into nested pistons resolves manual confusion and reduces stroke length for safer lens insertion.

An asymmetric intraocular lens uses haptic force transfer to deform the optic for variable optical power.

A ceramic orbital implant features a smooth anterior surface and macroporous interior for guided muscle reattachment.

Covalently binding 2-amino benzophenone UV absorbers to the polymeric network prevents migration and leaching while blocking 400-450 nm blue light.

Nested folding of multielement intraocular lenses reduces insertion incision size and tissue trauma.