campimeter


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cam·pim·e·ter

(kam-pim'ĕ-ter),
A small tangent screen used to measure central visual field.
[L. campus, field, + G. metron, measure]

cam·pim·e·ter

(kam-pim'ĕ-tĕr)
A small tangent screen used to measure central visual field.
[L. campus, field, + G. metron, measure]

campimeter 

An instrument for the measurement of the visual field, especially the central region (usually within a radius of 30º). See Friedmann visual field analyser; Amsler chart; perimeter; tangent screen.
References in periodicals archive ?
A means of checking visual fields is of course required, and confrontation may not be adequate in many cases, so generally the Damato campimeter is used for a screening assessment and a portable electronic device can be used for a more detailed analysis.
The last century and a half has seen many advances In functional detection of visual field defects from Von Graefe's confrontation examination and tangent screens in 1856, (2) Aubert and Forster's simple arc perimetry in 1869, (3) Scherk's bowl perimeter in 1872, (4) Bjerrum's campimeter in 1889, (5) Goldmann's projection bowl perimeter In 1945, (6) The Tubinger Perimeter of Harms and Aulhorn in 1959 (7) to the age of automation in the 1980's in the form of the Humphrey Visual Field Analyser, the first computer controlled automated static threshold perimeter, (8) which have led to standard automated perimetry (SAP), our current gold standard.
(12) Of 667 respondents providing domiciliary sight tests, 86% indicated that confrontation was their primary method of domiciliary visual fields assessment, with 34% of these practitioners indicating that they also had access to another technique, most commonly the red dot test or the Damato Campimeter, which is particularly useful as a glaucoma screening tool.
In a letter sent out to PCTs, LHBs, AHBs and domiciliary providers the committee outlined its advice that: 'The view of the DEC remains that a means of testing visual fields, which produces recognisable results (for example the Damato Campimeter) in addition to confrontation targets, should be routinely available for all patients though this may be manual or electronic.
(1) The usefulness of frequency doubling technology (FDT) as employed by the Zeiss FDT screener has previously been described, (2,3) whilst other techniques include the Bjerrum (tangent) screen and campimeter, which assess the initial perception of a moving target to which the magno-cellular system is most sensitive.