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Lensar Laser System

Photonics.com
Aug 2014
LENSAR Inc.
 
ORLANDO, Fla., Aug. 4, 2014 — Specifically built for refractive cataract surgery, the Lensar Laser System from Lensar facilitates precise surgical incisions and treatment in a single procedure room.

With Adimec’s Quartz machine vision cameras, the femtosecond laser system provides high-resolution ocular images in a single scan. The camera rotates to capture anterior segment imaging and biometry at two different angles and up to eight different positions around the optical axis.

Multiple scans identify the precise location of the relevant anatomical structures, from the anterior cornea to the posterior capsule. Using optical ray tracing and biometric data, the system’s augmented reality uses the information to form a 3-D model of each patient’s eye prior to surgery.


GLOSSARY
axis
A straight line, real or imaginary, passing through a body and indicating its center; a line so positioned that various portions of an object are located symmetrically in relation to the line. See also optical axis.
camera
A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material or a detector. The camera generally contains a lens of variable aperture and a shutter of variable speed to precisely control the exposure. In an electronic imaging system, the camera does not use chemical means to store the image, but takes advantage of the sensitivity of various detectors to different bands of the electromagnetic spectrum. These sensors are transducers...
cornea
The transparent front layer of the eye. Light entering the eye is refracted (converged) by the outer surface of the cornea.
eye
The organ of vision or light sensitivity.  
image
In optics, an image is the reconstruction of light rays from a source or object when light from that source or object is passed through a system of optics and onto an image forming plane. Light rays passing through an optical system tend to either converge (real image) or diverge (virtual image) to a plane (also called the image plane) in which a visual reproduction of the object is formed. This reconstructed pictorial representation of the object is called an image.
optical
Pertaining to optics and the phenomena of light.
quartz
See crystal quartz; fused quartz.
ray
A geometric representation of a light path through an optical device; a line normal to the wavefront indicating the direction of radiant energy flow.
segment
In multifocal spectacles, a term used to denote glass with a high refractive index that has been fused to the blank and ground to a curvature, resulting in added power.
vision
The processes in which luminous energy incident on the eye is perceived and evaluated.
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