Eye Diagnostics TRIZ Cases

Segmenting lens designs by pupil size and lifestyle resolves the trade-off between manufacturing complexity and visual satisfaction.

Slit illumination enables ray-tracing of reflected images to determine corneal thickness without assuming surface symmetries or requiring multiple cameras.

A fundus observation device overlays tomographic cross-section lines on two-dimensional retinal images to guide precise image capture.

A vision measurement device uses a movable target along an optical axis to determine diopter values through a direct scale indication.

An ophthalmic imaging device acquires motion contrast data by processing OCT signals from multiple non-overlapping unit areas within a designated wide area.

Continuous sinusoidal gratings replace discrete steps for precise automated contrast sensitivity measurement.

SORS reduces perimetry test time while maintaining accuracy through sequential optimization.

A fundus imaging objective optical system uses a mirror arrangement to redirect light without lens elements.

A manufacturing method customizes progressive spectacle lenses by aligning blur perception thresholds with individual wearer sensitivity.

A single photodetection element processes signals from coarse and precise optical systems to eliminate switching delays during ophthalmic alignment.

A restriction unit limits the moving area of an ophthalmologic acquiring portion to stabilize alignment.

Motorized mirror arrays redirect optical beams through a virtual rotation point in free space, eliminating complex scan lenses.

A swept-source optical coherence tomography system adjusts spectral measurement bandwidth to vary axial resolution and imaging depth.

A polarization element attenuates anterior reflections to isolate posterior corneal signals for precise thickness measurement.

A cornea shape measurement apparatus overlays astigmatic axis marks on anterior segment images for precise intraocular lens alignment.

A gyro sensor tilting module uses a driving motor to rotate an optical unit for horizontal alignment with the subject's eye.

Power vector analysis calculates toric implant power by combining pre-operative astigmatism with predicted surgically induced errors.

Dynamic selection displays on the apparatus operation portion eliminate dedicated switches, reducing device complexity while maintaining operability.

Segmenting the rear lens surface into optical, intermediate, and thin edge zones reduces thickness while maintaining bevel matching for sunglass frames.

A measurement light projecting system separates beams for corneal and fundus surfaces to enable accurate interference signal detection.

Segmenting the decoder from the head-mounted camera reduces weight while maintaining high-precision tracking of freely moving rodents.

Segmented diffraction order filtering enables precise wavefront detection of multifocal intraocular lenses, resolving measurement complexity.

A slit projection unit illuminates the limbus region to capture surface profile transitions for precise curvature determination.

Mobile optical members adjust beam positions based on sensor detection, preventing artefacts in anterior chamber imaging caused by misalignment.

A method designs spectacle lenses with combined refracting surfaces using optimal aspheric addition amounts.

Real-time infrared feedback guides patients to align their eyes, reducing unnecessary flash exposure and improving diagnostic accuracy.

A light field display system dynamically adjusts pixel rendering to accommodate visual acuity.

Inverse cumulative distribution function processing generates two-dimensional image intensity maps from three-dimensional optical coherence tomography interferogram data.

Segmented display panels organize complex OCT datasets to reduce analysis time while maintaining measurement precision.

Automated OCT analysis verifies optical configuration to prevent operator errors during modality switching.

An arcuate liquid meniscus lens uses electrical charge to alter its shape between saline and oil layers.

Multiple gratings and a fiber optic switch adjust scan depth in an SD-OCT system without compromising spatial resolution.

A Shack-Hartmann sensor measures wavefront aberrations to drive a deformable mirror for precise optical correction.

A vision testing system uses a luminance sensor to adjust display brightness, resolving variability in test results caused by inconsistent ambient light levels.

An ophthalmic apparatus adjusts boundary line shading to identify corneal endothelial cell walls.

A computer-based cone contrast test system scores patient cone sensitivity using colored characters at varying contrast levels.

Segmented anamorphic elements preserve the pupil conjugate relationship while eliminating noise images from flaws and foreign matter.

A passive surface acoustic wave contact lens detects eye blinks through impedance changes measured by an external wearable device.

A clam shell mask positions the face normal to a screen, eliminating head movement errors and ambient light interference during gaze measurement.

An automated vision testing system presents optotypes on a display to measure visual acuity.

A segmentation processor identifies layer boundaries in OCT images using complementary tomographic information for accurate display.

Separate comb electrode actuators enable bidirectional displacement of a variable shape mirror, reducing drive voltage and simplifying manufacturing complexity.

Dynamic test charts enable quantitative metamorphopsia evaluation across central and peripheral fields by measuring user-adjusted distance and area values.

A detection mask with a sighting window and camera captures eye alignment images to identify the dominant eye.

Rotating polarization angle prevents visual adaptation during sensitivity measurements.