Eye Diagnostics TRIZ Cases

See how sensor arrays and feedback control enable chairs to detect health-adverse postures and

A saline dye soak lets soft contact lenses fluoresce under UV light, then fade or wash out without heat or permanent lens changes.

An integrated light source, guide, exit, and receiver shrink inclination detection while preserving accurate reflected-light sensing.

A curved PVC eye model simulates translation and rotation about the optical axis, improving infrared eye tracker calibration for laser treatment testing.

An optical phase shifter enables high-frequency equal-interval OCT sample clocks while reducing distortion and noise from swept-light variation.

Distortion sensitivity testing with a head-mounted display guides personalized eyeglass lens design for better comfort and optical performance.

Tracks gaze angles across multiple eye images and matches them to screen motion to separate live users from photo or video spoofing.

Natural lens curvature measurements improve IOL effective lens position prediction and reduce postoperative spherical error in cataract surgery.

Horizontal and vertical guide rails expand eye instrument motion range while keeping heavy loads stable, compact, and precisely positioned.

Virtual avatars and usage profiles replace lengthy wearer tests to evaluate visual equipment in personalized viewing scenarios.

MEMS Alvarez tunable lenses vary optical power across one pixel array to capture multiple focal planes quickly without requiring more pixels.

Objective chromatic visual testing helps select a color filter that improves task-specific visual performance in a given environment.

Adaptive optotype selection and psychometric modeling improve visual acuity precision across chart designs and track subtle changes over time.

Variable-power see-through binocular optics align overlapping fields of view for comfortable stereoscopic vision at near, intermediate, and far distances.

A screen fixation target and image-based feature detection improve online pupillary distance measurement by simulating infinity vision.

Infrared pupil tracking in a VR headset standardizes APD testing by controlling light exposure and reducing subjective variation.

Image-based feedback adjusts OCT focus and reference arm position to keep real-time scans sharp despite axial subject motion.

Determines eye refractive error by tracking visual-stimulus distance and entrance pupil position, avoiding corrective glasses and reducing error.

Maps 2D eye color images to 3D OCT positions so local eye structures can be visually correlated for more accurate inspection and diagnosis.

Extended EDID fields for FOV, pixel density, and interpupillary distance let host devices render AR/VR companion content more clearly and comfortably.

Simultaneous left-right pupil video alignment speeds accurate anisocoria and pupillary asymmetry detection during stimulus response.

Eye reflections from a camera and light source enable accurate self-measured pupillary positions for wearable heads-up display fitting.

A rotary mechanism switches optical elements across two imaging paths faster while cutting mechanism size, weight, torque, and slippage.

Camera-based depth estimation replaces fixed positioning structures, letting visual acuity tests scale stimuli to viewing distance for accurate self-exams.

Head-tracked 2D and 3D vision simulation mirrors real environments, helping patients compare correction options beyond trial lenses.

Closed-loop b-scan paths and controlled inter-scan time reduce eye-motion artifacts while expanding 3D retinal imaging coverage.

Multiple off-axis OCT beams suppress corneal reflection artifacts and speed accurate eye length measurement from retinal signals.

AS-OCTA quantifies conjunctival vessel density, diameter, and flow to replace subjective redness grading with objective inflammation assessment.

Combining RGB beams with a laser-activated remote phosphor source enables controllable white light with efficient small-fiber coupling.

Aligned OCT, aberrometer, and topography data enable rapid, non-invasive detection and visualization of tear film abnormalities.

Immersive VR hazard scenarios with eye tracking assess occupational vision protocols and adapt tasks to improve visual performance and safety.

Simulated underwater VR with eye tracking adapts lighting and tasks to assess occupational visual adaptability more precisely than static tests.

A VR headset uses eye tracking and adaptive visual tasks to improve ocular assessment precision while keeping vision training engaging.

An embedded beam splitter within a light-guide optical element expands optical aperture for uniform projection without increasing near-eye display size.

Gamified VR eye tracking measures near-far focus transitions with higher precision while keeping ocular assessment engaging and non-invasive.

Compatibility scoring combines lens performance attributes with user feedback to recommend photochromic options matched to preferences and environment.

A rotatable and translatable reflective element corrects beam misalignment from tolerances and movement, preserving ophthalmic image quality.

Retinal-focused OCT with neural-network endpoint detection improves eye axial length measurement when severe eye disease makes retina images unclear.

Dynamic 3D visual stimuli and eye tracking in an HMD improve convergence insufficiency assessment accuracy for home vision testing.

Alternating OCT path lengths captures cornea and retina at high precision while avoiding full-eye data rates from unneeded vitreous imaging.

Dynamic VR traffic scenes adjust illumination and visual targets from head and eye tracking to improve driver vision test accuracy at home.

A head-mounted VR test adapts 3D visual stimuli from eye and motion data to assess spatial awareness, balance, and visual endurance at home.

Temporal gaze-angle matching with screen objects helps distinguish live users from photo and video spoofing in biometric authentication.

A lens-based rotational scanning path replaces bulky spinning tilted mirrors, shortening the optical path and shrinking ophthalmic inspection hardware.

Combining accommodation measurements with a binocular vision model yields a near vision index that captures visual effort and guides lens correction.

Selective beam modulation creates unilluminated eye regions to suppress glare and capture high-resolution anterior segment images, including eccentric cornea.

Multi-state polarization and thermal imaging quantify tear film lipid thickness and refractive index to better distinguish MGD from ADDE.

Portable optics, automated alignment, and remote physician support enable self-operated eye exams with clinical-quality measurements outside clinics.

Screen capture plus non-image data integration enables real-time remote ophthalmic exams with lower processing load and delay.

Dual visible and infrared pattern projection preserves corneal reflection intensity through a coupler, improving central corneal shape measurement.

Real-time visual and audio cues help patients hold eye and head position during ophthalmic exams, improving measurement accuracy and speed.

Adjustable VR lighting and eye-tracking help identify and categorize floaters non-invasively while improving ocular diagnosis.