Systems and methods for measuring the shape and location of an object

CE Campbell, SW Farrer, DR Neal, WS Powers… - US Patent …, 2011 - Google Patents
US. PATENT DOCUMENTS 6,610,048 B1 8/2003 Holladay et a1. 4,662,730 A 5/1987
Outwateretal. 6,616,275 B1 9/2003 Dlck 'ML 4 666 269 A 5/1987 Nakamura et 31 6,629,761 …

[图书][B] Handbook of visual optics, two-volume set

P Artal - 2017 - taylorfrancis.com
Handbook of Visual Optics offers an authoritative overview of encyclopedic knowledge in the
field of physiological optics. It builds from fundamental concepts to the science and …

System and method for measuring corneal topography

CE Campbell, SW Farrer, DR Neal, WS Powers… - US Patent …, 2011 - Google Patents
A system measures a corneal topography of an eye. The system includes a group of first
light sources arranged around a central axis, the group being separated from the axis by a …

Optical scanning device, illumination device, projection apparatus and optical device

M Kurashige - US Patent 9,851,581, 2017 - Google Patents
An illumination device includes a diffusion member having an anisotropic diffusion surface,
a rotary shaft member configured to rotate the anisotropic diffusion surface while a coherent …

Method of qualifying light spots for optical measurements and measurement instrument employing method of qualifying light spots

TD Raymond, JG Dixson, SW Farrer, W Xiong… - US Patent …, 2011 - Google Patents
A method of determining a wavefront of a received light beam includes:(a) receiving a light
beam;(b) producing a group of light spots from the light beam;(c) qualifying a set of the light …

Combined wavefront and topography systems and methods

CE Campbell - US Patent 8,585,687, 2013 - Google Patents
US8585687B2 - Combined wavefront and topography systems and methods - Google Patents
US8585687B2 - Combined wavefront and topography systems and methods - Google Patents …

Measuring corneal thickness with a rotary scanning system

S Franco, JB Almeida, M Parafita - Journal of Refractive …, 2002 - journals.healio.com
ABSTRACT PURPOSE: Recently the authors presented a technique that allows
measurement of the corneal thickness along a vertical meridian from optical sections …

Method of locating valid light spots for optical measurement and optical measurement instrument employing method of locating valid light spots

SW Farrer, TD Raymond, W Xiong, J Dixson… - US Patent …, 2014 - Google Patents
An algorithm locates valid light spots produced on an image detector by a wavefront of
interest. The algorithm includes sequentially examining pixels of the image detector to …

Wavefront sensors

V Molebny - Handbook of Visual Optics, Volume Two, 2017 - taylorfrancis.com
In ophthalmology, the term “wavefront sensing” is used in parallel with “aberrometry” and
“spatially resolved refractometry.” Wavefront sensing originates from physics, especially from …