10 ENGLISH BOOKS RELATING TO «FOCIMETER»
Discover the use of
focimeter in the following bibliographical selection. Books relating to
focimeter and brief extracts from same to provide context of its use in English literature.
1
Clinical Techniques in Ophthalmology
Measuring prismatic elements using the focimeter If a prism is incorporated into
the prescription, it will not be possible to centre the image on the focimeter
graticule. Prisms that are incorporated into spectacles have an equivalent effect
relative ...
2
Encyclopedia of Nineteenth-Century Photography
FOCIMETER Antoine Claudet (1797–1867) first demonstrated the Focimeter in
1849, and exhibited the instrument at the Great Exhibition in London in 1851. His
Focimeter was one of three distinctively different instruments of the same name ...
3
Ophthalmic Clinical Procedures: A Multimedia Guide
Focimetry. 1.1. Introduction. It is often useful to determine the power of unknown
lenses. This can be done using hand neutralization, or with a focimeter. Use.
Focimetry can be used to determine the back vertex power of a lens, any
prismatic ...
Frank Eperjesi, Hannah Bartlett, Mark C. M. Dunne, 2007
4
The Eye and Visual Optical Instruments
11.4.2.3 The focimeter principle The focimeter method is one of the few that are
equally suitable for negative as well as positive vertex power lenses. The
schematic arrangement of the focimeter is shown in Figure 11.16. A target at 'T is
initially ...
5
Clinical Optics and Refraction: A Guide for Optometrists, ...
The most usual method used in the practice setting is the focimeter. Focimeter: air
measurement Method 1. Pre-set the focimeter power scale to approximately the
expected power. Figure 29.7 The Visionix for power profile mapping. 2.
Andrew Keirl, Caroline Christie, 2007
6
The Contact Lens Manual
13.3.4 Back and front vertex power (BVP and FVP) Focimeter • Place focimeter
ina vertical position or usea V-slot holder. • For BVP, place the concave surface
towards the focimeter. • The lensmust beplacedas close aspossible tothe
focimeter, ...
Andrew Gasson, Judith A. Morris, 2010
7
Ophthalmic Study Guide for Nurses and Health Professionals
... Tillotson, Mandy Macfarlane. The preoperative assessment will also involve
measurement of the patient's spectacle prescription using a focimeter and the
measurement of both eyes using either the IOL MasterTM or an A- scan machine.
Dorothy Field, Julie Tillotson, Mandy Macfarlane, 2009
8
Basic Sciences for Ophthalmology
... parallel by a collimating lens if the target is situated at the first principal focus of
the collimating lens. This indicates that the focimeter is ready to use, as the
position of the target should be zero on the rule if the focimeter is correctly
calibrated.
Louise Bye, Neil Modi, Miles Stanford, 2013
9
Complete Optometric Assistant
Additionally, try on a range of frames in different sizes and shapes to see the
position of your pupils in relation to the lens of the frame Spectacles are
measured using the focimeter, which is an instrument measuring the power of
each lens (Fig.
Nathan Efron. what about in vitro checking? The remainder of this section is
devoted to bench tests for lens power. A standard optical focimeter canbeused to
measure soft lens BVP (Figure 8.9). Anautomatic focimeter canalso be used.
NEWS ITEMS WHICH INCLUDE THE TERM «FOCIMETER»
Find out what the national and international press are talking about and how the term
focimeter is used in the context of the following news items.
Recycled spectacles twice that of new: study
By contrast the cost of delivering a pair of ready-made spectacles where only a brief quality check is carried out is US$11.28. If a full focimeter ... «ABC Science Online, Mar 12»
