Eye Diagnostics TRIZ Cases

A customized intraocular lens power calculation system uses ray tracing through a subject eye model to determine the optimal implant.

Segmentation separates the wearable unit from a stationary support column, reducing neck strain by distributing weight.

Adaptive graphical stimuli adjust difficulty based on participant performance, resolving the trade-off between training effectiveness and engagement.

Ocular display apparatus presents distinct images to each eye using real-time eye tracking technology, resolving strabismic compensation limits.

A perimeter presents moving and non-moving light stimuli on one observational surface to map the visual field.

Optical coherence tomography scans the eye to acquire simultaneous measurements of multiple anatomical surfaces and structures.

Dual-mode OCT segmentation aggregates anterior and retina B-scans to determine eye axial length.

A control unit restricts optometry drive range using 2D eye position data from a face photographing unit.

Calculating posterior corneal astigmatism and surgically induced astigmatism improves toric lens accuracy.

A perspective vision tunnel uses internal mirrors to reflect test images, creating an optical illusion of distant stimuli within a compact physical enclosure.

Polarized glasses with a second polarizer block unauthorized viewers by filtering LCD light, resolving the adaptability versus complexity trade-off.

Segmented interpolation of visual field sensitivities reduces test time and subject burden while minimizing estimation errors across distinct regions.

A handheld testing device integrates multiple timers and an image recorder to guide standardized drug evaluation protocols.

An optical system tracks a colored dot on a display reflected by the pupil to determine gaze without invasive contact lenses or electrodes.

A compact handheld vision tester integrates interchangeable charts and internal illumination for portable clinical screening.

A display device detects eye distance to dynamically adjust content scale.

A hologram aligns with a physical object to calibrate interpupillary distance settings in extended reality headsets.

Asymmetric card positioning eliminates examiner bias during pediatric contrast sensitivity measurement.

A vision testing apparatus generates synthetic images containing colored characters to concurrently assess visual acuity and color distinction capabilities.

A single glass rod mimics reference arm dispersion characteristics to simplify optical coherence tomography interferometer designs.

Electromagnetic emitter sensors detect eye position via glint patterns, resolving lighting condition trade-offs in wearable displays.

Multiple OCT A-scans at distinct cornea locations isolate retina reflections from anterior noise, resolving measurement reliability issues.

A visual field measurement device scans a test spot along predefined paths on a surface display to record patient interaction data.

Customizing progressive eyeglass optical design via measured wearer postural parameters resolves adaptation discomfort caused by standardized lens mismatch.

A smartphone-based optical system projects images onto the retina to measure near and mid-vision acuity.

A phase modulator adjusts electromagnetic beam bandwidth to control coherence length within an interferometer system.

Optical switch redirects light via fixed interfaces in a multi-focal delay line, eliminating slow mechanical translation and reducing measurement speed costs.

A method determines optical parameters by analyzing image blur levels captured through an optical device in multiple configuration states.

Multi-color light pulses generate complex pupil diameter curves that improve physical condition assessment accuracy.

Simultaneous focus and signal capture eliminates time delays that cause positioning errors during corneal thickness measurement.

A collimated light beam eye tracker creates reflection spots on the cornea to determine gaze direction.

A stereoscopic VR viewing device presents distinct images to each eye for vision assessment.

A perimeter system uses negative pressure to fixate the eyeball and eliminate subjective patient response during visual field measurement.

Dynamic wavelength variation prevents eye accommodation, enabling accurate detection of latent hyperopia and refractive errors.

Segmented lens barrel movement with silicone sealing prevents dust entry while maintaining optical clarity during user adaptation.

A hybrid condensing lens uses a diffractive surface to focus light for ophthalmic endoilluminators.

Segmenting protocol information into hierarchical groups reduces selection complexity while maintaining comprehensive imaging functionality.

A detection system measures Purkinje III and IV reflections to calculate the geometric center of the eye lens.

A handheld ocular dominance testing apparatus with an opaque viewing piece and central opening.

A method selects intraocular lenses using ray tracing through individual biometric eye models to determine optical power.

Switching unit directs light sources for optical aiming and measurement, resolving trade-offs between device complexity and measurement precision.

A glare index calculation unit quantifies subjective visual responses to determine precise sensitivity metrics.

Adjuster mechanism moves objective to pre-scan position based on detected pupil, reducing manual repositioning time during eye measurements.

A dual-camera eye imaging system subtracts residual corneal specular reflections from retinal images to improve contrast without increasing device complexity.

Matching the resonator length of a tunable light source to the interferometric arrangement prevents disturbance signals from corrupting whole-eye scans.

A control module modifies line appearance to select preferred directions during visual testing.

A single light source illuminates the eye while multiple imaging units detect pupil and corneal reflection centers for gaze tracking.

A fundus observation apparatus adjusts assisting information based on image pickup data to support examiner judgment.

A binocular keratometer captures corneal reflections from both eyes simultaneously using a single optical channel and photoelectric sensor.