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.