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10 LIBROS DEL INGLÉS RELACIONADOS CON «KERATOMETER»
Descubre el uso de
keratometer en la siguiente selección bibliográfica. Libros relacionados con
keratometer y pequeños extractos de los mismos para contextualizar su uso en la literatura.
1
Corneal Surgery: Theory, Technique and Tissue
The keratometer, or ophthalmometer, is not a new instrument. Since it was first
developed by Herman von Helmholtz in 1854, significant improvements have
been made. Today, several companies manufacture these machines, such as the
...
Frederick S. Brightbill,
2009
The keratometer and its cousin, the Placido disc corneal topographer, are among
the most widely used, yet misunderstood, instruments in clinical practice today.
The principle of the keratometer is simple enough. An illuminated target, usually ...
Myron Yanoff, Jay S. Duker, James J. Augsburger,
2009
3
Clinical Practice in Small Incision Cataract Surgery
KERATOMETRY The keratometer was invented by Hermann Von Helmholtz and
modified by Javal, Schiotz, etc. If we place an object in front of a convex mirror we
get a virtual, erect and minified image (Fig. 11.1). A keratometer in relation to ...
Luther L. Fry, Ashok Garg, Francisco Guitérrez-Camona,
2004
4
Clinical Optics and Refraction: A Guide for Optometrists, ...
Patient's cornea Doubling prisms Eyepiece Figure 18.7 The doubling
arrangement employed in the Javal–Shiötz two-position keratometer. (a) (b) (c) (d
) Figure 18.8 Four examples of mire alignment when using the Javal–Shiötz two-
position ...
Andrew Keirl, Caroline Christie,
2007
Using a Bausch & Lomb keratometer for daily readings on the same subject, he
found the total range of findings to be 0.37 D in the horizontal meridian but 0.75 D
in the vertical meridian. In terms of the variation around the midpoint of the ...
Theodore Grosvenor, Theodore P. Grosvenor,
2007
6
Clinical Ophthalmology: Contemporary Perspectives
Many new developments have taken place in ophthalmology since the publication of the last edition. It therefore became mandatory to revise and update the present edition.
7
Theory And Practice Of Optics And Refraction
Helmholtz (1854) utilized this principle to ievise the first keratometer. He gave the
name ophhalmometer to it but later on keratometer was bund to be more
appropriate term. HELMHOLTZ KERATOMETER rhough presently not in use, the
...
8
Textbook of Ophthalmology
The keratometer projects a single mire on the cornea and the separation of the
two points on the mire is used to determine corneal curvature. The zone
measured depends upon corneal curvature — the steeper the cornea, the
smaller the zone ...
Sunita Agarwal, Athiya Agarwal, Lucio Buratto,
2002
9
Clinical Contact Lens Practice
A variety of keratometer attachments can be used to measure the BCR of a rigid
lens (2,3). Similar to measuring the convex surface of the cornea, the keratometer
can measure the concave surface of the lens. The keratometer should be ...
Edward S. Bennett, Barry A. Weissman,
2005
10
Contact Lens Optics and Lens Design
Figure 5.5 The telecentric keratometer.The collimated mire produces an image in
the focal 'plane' of the cornea (F).The light from M1 and M2 passes through the
two optical systems of the instrument to form two images near the eyepiece.
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «KERATOMETER»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
keratometer en el contexto de las siguientes noticias.
Cassini topographer shows parity with other devices
A novel keratometer with colored light-emitting diodes generated cylinder measurements comparable to those obtained with Placido rings, ... «Healio, May 15»
NIDEK announces launch of HandyRef-K / HandyRef for accurate …
The HandyRef-K / HandyRef is a Handheld Ref / Keratometer Handheld Refractometer that is the portable solution for accurate refraction and ... «News-Medical.net, May 15»
Carl Zeiss teams up with BIB for Essential line
... systems, with the range including slit lamps, auto ref-keratometer, auto lensmeter, auto phoropter and a portable retinal camera. In addition ... «Optician Online, Abr 15»
VIDEO BLOG: Guidelines in the successful treatment of keratoconus …
Don't be afraid of using your keratometer to help determine this axis because sometimes the Pentacam can get fooled by extremes in corneal ... «Healio, Feb 15»
The Slow Death of Google Glass, and More Headlines for Friday
If someone could make those glasses act like a Auto Refract-Keratometer and correct vision passively, control the how the light hits the back of ... «Pulse, Ene 15»
Quality and Efficiency Right from the Start: with the Essential Line …
... objective refraction: the VISUREF® 100 autorefractor/keratometer, VISULENS® 500 auto-lensmeter and the 4-in-1 wavefront aberrometer i. «Business Wire, Oct 14»
Optometrist Neema Ghorbani shares his experience of Visit 1
Pre-regs should, if using a keratometer, ensure they find the principle meridians, but also ensure that they know the theory on both one and two ... «Optometry Today, Ago 14»
Reed Eye Associates cuts ribbon on Batavia office
There are also five exam rooms, which are aligned to the other Reed offices with similar equipment, including a slit lamp and keratometer to ... «The Daily News Online, Ago 14»
Ponmalai railway hospital to create database of diabetic patients
An autorefracto keratometer, operating otological microscope and a continuous cardiac topography for foetus are the new equipment to be ... «The Hindu, May 14»
Keratoconus: Effect on Cataract Surgery Outcomes
K readings were performed with interferometry or a handheld keratometer. The investigators used actual measured K values for the IOL power ... «Medscape, Abr 14»