Inventor

SPRATT RAY STEVEN

US43 patents

⚠️ This page may combine multiple inventors who share the name “SPRATT RAY STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPRATT RAY STEVEN

ZEISS CARL VISION INT GMBH

Progressive addition lens for myopia control and method of manufacturing the same

Reduced distortion spectacle lens

Eyeglasses with one-piece shield and method for designing said shield

Manufacturing method for manufacturing a spectacle lens, spectacle lens and lens design method

Method for designing a lens shape and spectacle lens

Progressive spectacle lens

Progressive spectacle lens

Method for determining an improved design for a progressive lens

Prescription determination

Prescription determination

Eyeglasses with one-piece shield and method for designing said shield

Bifocal spectacle lens, computer implemented method for creating a numerical representation of same, computer program, data processing system, and non-volatile computer readable storage medium

Method for designing a lens shape and spectacle lens

Method for designing a lens shape and spectacle lens

Method for designing a lens shape and spectacle lens

Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens

Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens

Protective shield with arcuate lens portion having a horizontally varying vertical curvature

Method and system for determining an eyeglass prescription

Adjustable progressive lens and design method

Method for reducing the thickness of a lens shape and uncut lens blank

Method and device for establishing a target design

ZEISS CARL VISION INC

Method of making wide field spherical lenses and protective eyewear

Wavefront optimized progressive lens

Pupil dependent wavefront refraction

Low distortion eyewear lens with low optical power

Statistical autorefractor

SOLA INT HOLDINGS

Shaped ophthalmic lenses

Wide field spherical lenses and single design spectacle frames therefor

Shaped ophthalmic lenses

Wide field spherical lenses and protective eyewear

DIASONICS ULTRASOUND INC

Method and apparatus for three-dimensional flow lumen imaging

Method and apparatus for measuring fetus head and abdominal circumference

Method and apparatus for automated vascular diameter determination

Real-time two-dimensional resistance and pulsatility mapping

SPRATT RAY STEVEN

Multi-focal lenses with segmented boundaries

Method and apparatus for subjective refraction

CARL ZEISS VISION AU HOLDING

Ophthalmic lens element for myopia correction

FISHER SCOTT WARREN

Ophthalmic lens design and/or dispensing

UNIV MICHIGAN

Fractional moving blood volume estimation with power doppler ultrasound

CARL ZEISS VISION AUSTRAILA HO

Method of designing progressive lenses

MEISTER DARRYL

Method for optimizing a spectacle lens for the wavefront aberrations of an eye and lens

VARNAS SAULIUS RAYMOND

Array of progressive ophthalmic lens elements