Intraocular Lens TRIZ Cases

Laser-formed ridges and nanorough grooves guide cell migration on an intraocular lens to inhibit opacity recurrence after cataract surgery.

A biasing member and guide portion keep the push pin in contact with the lens, improving folding direction stability during implantation.

Laser-activated composite haptics with shrinkable microspheres let implanted IOLs be tuned after surgery without another procedure.

A gradual edge power reduction in an intraocular lens redirects peripheral light to reduce negative dysphotopsia while preserving central vision.

Localized haptic bending points guide insertion and keep the intraocular lens centered in the capsular bag to prevent tilt and misalignment.

A lifter arm folds and constrains the leading haptic before nozzle insertion, improving intraocular lens delivery consistency through small incisions.

Hydraulic plunger delivery moves intraocular lenses through small incisions with predictable control, stable haptic positioning, and less fluid use.

A thick-walled nozzle tip reinforces stress concentration zones, helping folded intraocular lenses eject smoothly through micro-incision inserters.

Electromagnetic deformation of a haptic clip and brace bars enables precise intraocular lens repositioning without surgical instruments.

A liquid-filled intraocular lens uses suspended central optics and axial lens movement to restore ciliary muscle-driven focus after cataract surgery.

Spacer-equipped holder and cartridge keep multi-element intraocular lenses separated, aligned, and correctly oriented for implantation.

Concentric refractive zones expand depth of focus while reducing light loss and preserving visual clarity as pupil size changes.

T-shaped trans-scleral plugs enable stable, symmetrical IOL fixation without sutures, reducing tilt, torsion, and inflammation.

Tube-wall protrusions block lens parts from entering upper corners, improving intraocular lens folding accuracy and smooth eye injection.

Micro- and nano-engraved lens markings stay subtle in ambient light but become detectable under specific lighting for reliable lens identification.

A lever-driven rack and pinion with a collapsible injector body improves IOL delivery control while lowering peak force and contamination risk.

A heat-sensitive reservoir shifts optical fluid to reshape a flexible intraocular lens, enabling rapid noninvasive power tuning without UV eyewear.

A cavity-linked intraocular lens keeps front and rear elements at fixed spacing while folding for small-incision implantation and stable refractive power.

Combined axial and lateral movement of optical elements increases accommodative power while helping correct astigmatism and coma.

Fluid pressure reshapes spherical lens elements into aspherical optics, improving accommodation predictability while reducing astigmatism.

A hooked insertion tool and fixation-arm support enable sutureless scleral IOL implantation through a clear corneal incision while reducing corneal and glaucoma risks.

Laser heating reshapes a heat-sensitive reservoir to move optical fluid and adjust intraocular lens power noninvasively without UV lock-in.

Spiral refractive power zones tailor intraocular lens focus to pupil size, preserving contrast and reducing positive dysphotopsia.

An asymmetric intermediate power profile cuts cylinder power in the far-vision zone, improving clarity while keeping a concentric lens layout.

Spiral refractive power variation helps an intraocular lens maintain acuity and contrast across pupil sizes while reducing glare and halos.

Cubic and spherical optical surfaces on hinged intraocular lens elements enable lateral and axial shifts for variable focus and restored accommodation.

A virtual aperture in an intraocular lens scatters peripheral rays to reduce aberrations and extend depth of field across pupil sizes.

An angled concave soft tip guides the IOL haptic onto the optic body for predictable small-incision delivery with less damage and misorientation.

Cam-driven levers fold complex intraocular lenses into a sterile preloaded delivery shape, reducing handling damage and contamination.

Textured internal and peripheral IOL surfaces diffuse off-axis light to reduce glare, halos, and straylight while preserving accommodation.

A dual-optic intraocular lens boosts dioptric power during accommodative reflex, improving near vision while keeping lens positioning stable.

A haptic-mounted drug delivery structure preserves the sharp PCO barrier edge, enabling ocular therapy without disrupting lens epithelial cell blocking.

A flexible clamping ring enables controlled lens unfolding, uniform capsular bag tension, better centration, and less glare.

A virtual aperture in an intraocular lens scatters selected rays to cut aberrations and extend depth of field for sharper retinal images.

Varying surface stiffness on an ophthalmic implant creates mechanical barriers that guide or inhibit cell migration to reduce PCO risk.

Tabs, sidewalls, and a base locking ring stabilize an interchangeable IOL optic to limit decentration, tilt, and glint.

Aspheric dual-lens optics focus retinal images across changing eccentricities, reducing re-surgery and refractive error in AMD treatment.

A shape-memory clamping haptic expands after insertion to stretch the capsular bag, improve fluid circulation, and reduce secondary cataract risk.

A dimpled soft plunger tip with a fluid-linked pocket cushions the IOL during insertion, preventing damage to the gusset and haptics.

Automatic haptic slider activation during magazine attachment simplifies intraocular lens folding and reduces manual surgical steps.

A rotatable, axially movable piston simplifies intraocular lens delivery, reducing grip changes, positioning errors, and disposal complexity.

A two-phase plunger and hydraulic cartridge advances eye implants through small incisions with less working fluid and more predictable deployment.

A key-track plunger lock prevents accidental movement or removal during eye implant insertion, improving lens placement reliability.

Wireless coupling splits an accommodating intraocular lens from scleral power and sensor electronics to save eye space and ease replacement.

Varying the lens phase pattern breaks periodic diffraction, cutting halo size while preserving prescribed near and far vision improvement.

A hinged two-part injector and plunger cut sterile packaging waste while enabling reliable intraocular lens folding, wetting, and insertion.

An aspheric optic and two-channel buttress layout keep accommodating intraocular lenses optically stable while reducing astigmatism.

A wavy optic edge and light-absorbing skirt block oblique light in intraocular lenses, reducing negative dysphotopsia and glare.

A hinged scleral clip grips the IOL haptic to secure different lens types when capsular support is damaged, reducing surgical complexity.

Localized polymeric beads cure and shrink to tune intraocular lens cylinder power with simpler manufacturing and more precise vision correction.

A zoned refractive EDOF IOL balances light across concentric regions to extend near-to-far vision while minimizing halos and glare.

A 360-degree closed-loop ring haptic spreads capsular contact to reduce striae and PCO while keeping IOL implantation compatible with small incisions.

Cap retraction folds the intraocular lens and exposes the nozzle, improving delivery consistency across manual and electric handpieces.

Aspheric intraocular lenses maintain constant conic constants across power ranges to minimize inherent spherical aberration.

A phakic intraocular lens uses a central diffraction grating to maintain optical performance while reducing overall thickness.

Segmented bias elements with differential rigidity resist capsular bag shrinkage, enabling sufficient lens translation for improved accommodative ability.

Covalently bonding hyaluronic acid to a silicone polymer host reduces protein adsorption and dry eye symptoms while maintaining oxygen permeability.

A fluid-driven interface structure pumps liquid into an inflatable member to adjust curvature and restore near vision capability.