Laser Surgery TRIZ Cases

A laterally movable final mirror clears the first laser path while preserving precise second-laser irradiation and the observation field.

Fluorescence imaging at selected corneal depths measures riboflavin distribution and thickness, improving cross-linking precision and consistency.

Pre-scan astigmatism correction in ophthalmic OCT improves imaging adjustment precision and keeps scan results uniform at higher scan speeds.

Calculated MRE and fundus-safe exposure guide iris laser delivery, enabling stromal pigment removal with reduced damage risk.

A precise cleavage at Schwalbe's line creates a trabecular leaflet to lower intraocular pressure while preserving valves and minimizing tissue trauma.

ELT creates precise trabecular meshwork or Schlemm's canal perforations to restore aqueous drainage after failed glaucoma treatment.

A beveled core-cladding fiber delivers laser light plus adjustable-color illumination, improving tissue contrast and probe stability in ophthalmic use.

Speckle-based fundus monitoring tracks micro tissue changes in real time, enabling laser energy adjustment to protect adjacent retinal tissue.

Segmented corneal light dosing targets the ectatic cone with higher energy while limiting exposure in surrounding tissue to improve stabilization.

Laser-sensitive particles bind vitreous collagen aggregates and form vapor nanobubbles, breaking floaters with fewer pulses and less eye damage.

Undocked and docked iris images are matched with rotation and dilation correction to align the astigmatism axis for precise laser cataract treatment.

Cone-wall diffusion, reflection, and scattering structures improve surgical-site brightness and uniformity for more accurate eye imaging and alignment.

Dual eye seals and a tissue migration bolster stabilize vacuum engagement for precise laser capsulorhexis with less non-target tissue damage.

Off-axis toric IOL and relaxing incision selection improves astigmatism correction while avoiding overlap with cataract incisions.

A fast-scan-slow-sweep femtosecond laser scheme removes vertical steps in hyperopia lenticule incisions for smooth single-piece extraction.

Tightly packed single-core fibers replace micro spacers to keep multi-spot laser beams aligned and thermally robust at the probe tip.

Wavefront preshaping through a micromirror and light guide improves retinal illumination alignment in minimally invasive eye surgery.

Measured correction values compensate corneal deformation from rigid contact elements, improving lenticule separation accuracy without complex simulation.

Variable-power laser shot patterns reshape the natural crystalline lens to treat opacities and restore accommodation with less invasive correction.

Cyclic energy storage buffers laser treatment power spikes, keeping ophthalmic systems within a 1600 W supply limit for flexible global installation.

Alert-point eye tracking compares current and reference images to warn before range loss, reducing false positives and surgery delays.

Selective ablation of apical corneal epithelium speeds cross-linking agent diffusion and light activation while avoiding full epithelial removal.

Sugar-mediated corneal crosslinking under restricted oxygen avoids ROS-linked cytotoxicity while enabling corneal stiffening and flattening.

Microstructures on the lens underside anchor it to the cornea through the tear film, preventing sliding without sutures or manual repositioning.

Precomputed lookup tables from a corneal deformation model correct contact-induced shape changes for more accurate laser eye treatment.

Automatic rotation planning aligns corneal laser cuts to compensate cyclotorsion and angular deviations, improving refractive surgery precision.

A shallow non-corrective laser surface treatment after corneal reshaping limits tissue removal and heat, reducing haze and recurrent erosions.

Pre-offset target points compensate optical focus errors and corneal deformation for more precise corneal tissue isolation during eyesight correction.

A multi-component 3D eye FEM captures ciliary muscle, lens, zonule, sclera, and choroid interactions to predict accommodation and therapy effects.

Photoactivated corneal compounds strengthen collagen without epithelial removal, helping preserve reshaping while reducing treatment burden.

A pre-irradiation adjustment section brings the beam guidance device into motion before firing, limiting path deviation during ophthalmic laser treatment.

Computer-guided retinal burn patterns maintain oxygenation, limit ischemia spread, and reduce vision loss from indiscriminate laser treatment.

Pre-contact corneal measurements preserve undistorted optical landmarks, enabling more accurate laser incision and lens alignment during eye surgery.

A scanner feasibility check compares treatment path demands with scan-axis limits to prevent overload during curved eye tissue processing.

A footswitch joystick and overlay let surgeons change instrument settings in the microscope view without looking away from the surgical field.

A donor-tissue pinhole inlay with cross-linking corrects presbyopia and refractive errors while preserving corneal thickness and reducing rejection.

A movable reflex mirror and dichroic optics maintain coaxial illumination while keeping the ophthalmologist's viewing path clear.

Composite eye-surface imaging guides femtosecond laser incision planning to improve capsulotomy precision, IOL placement, and astigmatism correction.

Coordinated primary and secondary corneal cuts achieve refractive correction while reducing incision depth, stress peaks, and tissue weakening.

Replacing galvo mirrors with MEMS micromirror arrays speeds ophthalmic laser scanning while correcting aberrations and enabling multiple focal spots.

Iris mapping, tilt tracking, and power adjustment improve laser coverage and alignment for safer, more uniform eye color change.