Eye Diagnostics TRIZ Cases

Sensor elements detect radiation intensity to visualize alignment status, reducing manual trial-and-error errors during optical axis adjustment.

Low-intensity lambertian illumination minimizes tear film evaporation and reflex tearing during precise lipid layer thickness measurement.

Automated OCT imaging replaces trial-and-error scleral lens fitting with objective 3D topography analysis.

A handheld ophthalmic device uses high plus lenses to create a superimposed view of both pupils simultaneously.

Arcuate liquid meniscus lens with microchannels and electrostatic control for adjustable optical power.

A vehicle display device adjusts light source luminance based on viewer vision data to project clear virtual images.

Independent LED control and liquid crystal modulation resolve the contradiction between examination reliability and apparatus complexity.

Computer-based method evaluates accommodative state using sequential convex lenses to generate near vision reports.

A hybrid measurement system merges optical coherence tomography with keratometric data to capture detailed corneal surface geometry.

Synthetic eye phantom replicates corneal and retinal optical properties to stabilize OCT calibration against biological tissue variability.

Equal frequency interval sampling reduces sensitivity falloff and complex conjugate artifacts in extended depth FDOCT.

A line-scan imaging system tracks eye motion by comparing current image lines with reference data to determine subject displacement.

A lens assessment device quantifies chromatic vision to evaluate postoperative progress.

Modified regression formula incorporates corneal spherical aberration to improve prediction accuracy for extreme myopia and post-lasik eyes.

Segmented light sources enable simultaneous measurement of the central cornea and skew rays, resolving alignment errors in Placido disk systems.

Camera sensor analyzes scene luminosity and sharpness to adapt lens transmission, resolving glare vulnerability inside vehicles.

A digital display uses pixels emitting monochromatic light at distinct wavelengths to generate pairs of metameric colors for color vision assessment.

An OCT light source switches spectral bandwidth to optimize axial resolution and sensitivity across different eye segments.

A neuro-ophthalmoscope projects independent visual stimuli to each eye while tracking gaze and pupil size.

Structured light imaging determines gaze depth to drive an Alvarez lens, eliminating manual prescription switching for presbyopia.

Tailored wavelength photobleaching minimizes non-target receptor bleaching and lens opacity bias, shortening dark adaptation test duration.

A head-mounted display presents individual images to each eye for ophthalmic examinations.

Video-oculography tracks pupil position to drive automatic focal power changes, resolving the trade-off between manual adjustment effort and device complexity.

A system illuminates an optical surface with a known light pattern to generate a virtual reflected image for curvature calculation.

Spectral domain optical coherence tomography estimates lipid and aqueous layer thicknesses with nanometer precision.

A perimeter system determines initial stimulus luminance from stored sensitivity distribution data to optimize test parameters.

Triangulation calculates the iris plane position from light pattern coordinates, reducing decentering errors during high-speed laser surgery.

A light guide substrate couples display and tracking light via total internal reflection, resolving bulk and field-of-view constraints.

A laser-based eye tracking system uses a scanning mirror to generate an intensity profile for direct corneal position detection.

An arithmetic controller associates OCT data acquisition positions with front image coordinates using pre-defined association information.

Capacitive sensors on eyewear replace bulky cameras to provide portable, non-invasive eye tracking for clinical diagnostics.

A plenoptic detector captures light reflections from the eye to generate tomography data.

Astigmatic optics encode lateral spatial frequency along a detection line, reducing susceptibility to multiply scattered photons and out-of-focus light.

Disposable eye pieces form a lightproof seal around each eye while transmitting infrared radiation for observation.

Adjustable mirrors in a head-mounted OCT system enable automatic alignment, reducing operator training requirements.

A shift lens moves along an optical axis to calculate amplitude of accommodation based on image blurring points detected by a display member.

Selective reflecting devices spatially separate optical coherence tomography and confocal scanning laser ophthalmoscopy signals for independent detection.

A visual assessment system estimates contrast sensitivity by tracking smooth pursuit eye movements.

Analyzing saccadic eye motion patterns replaces subjective surveys with objective real-time data for accurate viewer engagement measurement.

Charged electrodes impart motion to optical fibers within small cannulas, reducing device complexity and manufacturing costs for disposable OCT probes.

Fractal algorithms generate precise iris patterns for tinted contact lenses, resolving manufacturing precision challenges in complex geometry tooling.

An optical module provides auxiliary light projection to improve testee observation conditions in detection systems.

Direct inline optical path eliminates reflecting surfaces that cause light loss and image distortion in traditional ophthalmic cameras.

A simulation apparatus adjusts image movement based on head and eye motion ratios to evaluate progressive power lenses.

A management apparatus tracks ophthalmic examination usage via a counting unit and storage controller.

Sequentially Optimized Reconstruction Strategy estimates sensitivity thresholds using spatial correlations between test locations.

Controller drives optometry unit via tilt detection on operation stick, resolving complexity from separate fine and rough movement mechanisms.

An ophthalmologic apparatus measures tear film lipid layer movement speed and break-up time to classify dry eye types.