Detachable adapters allow a single base unit to measure multiple eye properties, reducing complexity and improving accuracy.
Segmented fraxicon illumination modules provide distance-independent corneal topography measurements by replacing reflective optics with refractive elements.
A method determines intraocular lens positioning using individual eye models and ray tracing simulation.
A wavelength sweep light source changes frequencies while an FPN generation optical system produces reference signals at distinct positions for wavenumber correction.
A decoupled numerical aperture optical coherence tomography system separates illumination and detection paths to optimize lateral resolution.
Switching lens positions and strengths helps determine eye preference, reducing trial-and-error time.
A hybrid optical system combines an aspherical central lens with a Fresnel peripheral lens to expand the visual field.
A head-mounted vision testing device switches between test images and external camera feeds.
A dynamic visual acuity measuring device moves a visual target image in arbitrary directions using a reflecting mirror and rotating shaft.
A multifocal contact lens design allocates optical zones based on pupil diameter to enhance accommodative gain and visual acuity.
A projection and observation system uses a zoom lens to capture eye surface images for precise topography measurement.
A light deflection part in an ophthalmic illuminator end part redirects glare-inducing light tangentially to improve peripheral retina visualization.
A head-mounted frame integrates infrared illumination and cameras to capture eye movement images for patient monitoring.
Automated image analysis replaces manual swinging flashlight tests, resolving detection accuracy limits by quantifying subtle afferent pathway asymmetries.
A detachable ocular covering module uses an electrochromic film to alternate vision for each eye during pediatric strabismus assessment.
Captures corneal reflection light and calculates position differences between raw and smoothed data strings to isolate high-frequency tremor components.
Visual target projection system presents fixed targets to subject eyes while objective measurement optical system tracks eye characteristics.
An arcuate meniscus wall with multiple convex segments controls saline and oil positioning through electrostatic forces to resolve ophthalmic size constraints.
Dynamic electric field directs charged droplets to impact the cornea while OCT measures response, resolving individualized accuracy trade-offs.
An optometric self-examination apparatus acquires corneal shape data to display suitable contact lens options directly to the user.
A scattering agent applied to ocular devices increases light scattering sites for optical coherence tomography imaging.
Equi-spaced LED glare sources direct diffuse light toward patients during vision tests to simulate real-world lighting conditions.
Contact lenses with integrated vergence sensors detect eye movement to generate focal distance data, resolving VR image scaling inaccuracies.
Automated pupillometer detects rod and cone specific responses to eliminate subjective patient cooperation requirements.
Continuous optotype size change via a zoom lens reduces testing time and subjectivity inherent in sequential presentation methods.
A circular eye mark chart enables patients to identify double vision images circumscribed by specific view angles.
A robotic OCT probe traverses tissue surfaces to aggregate optical signals, overcoming the size and cost constraints of conventional MRI systems.
A reflective optical modulation device uses a variable shape mirror with dense actuators to correct wavefront aberrations in ophthalmologic imaging.
Lissajous and Spirograph scan patterns reduce mechanical stress on OCT mirrors while shortening scan times to prevent registration errors.
Multi-input voting scheme cross-validates sensor data to reduce false triggering in electronic ophthalmic lenses.
A smart contact lens uses capacitive sensors to detect gaze direction and adjusts optical power automatically.
An optical lens features an inclined edge surface extending linearly from the inner to outer surface.
Chiral optical mask modulates reflected light to generate defocus maps from spatial spectrum displacement.
A progressive lens simulator system uses eye tracking and off-axis optical simulation to generate personalized visual experiences.
An ophthalmic device uses on-axis and off-axis illuminators to capture reflections for precise spatial alignment.
Spatial autocorrelation quantifies tear film thickness and dynamics, replacing invasive Schirmer tests with non-invasive optical measurement.
Harmonic frequency modulation shifts the interference signal envelope to resolve thin tear film lipid layers for precise optical depth profiling.
Mobile computer device displays variable light stimuli and uses a camera to detect viewing direction for visual field measurement.
A peripheral vision display system presents repetitive non-biological movements to reduce mental processing burden.
Integrated ring carrier guides light from LEDs to the eye, reducing component misalignment during wear.
Portable ocular screening device uses shape discrimination hyperacuity tests to identify dry-to-wet transition, reducing physician visit burden.