Ophthalmoscope: Difference between revisions

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In [[medicine]] and the [[physical examination]], '''ophthalmoscopes''' are "devices for examining the interior of the eye, permitting the clear visualization of the structures of the eye at any depth."<ref>{{MeSH}}</ref>
In [[medicine]] and the [[physical examination]], '''ophthalmoscopes''' are "devices for examining the interior of the eye, permitting the clear visualization of the structures of the eye at any depth."<ref>{{MeSH}}</ref>  


Ophthalmoscopes were developed by Helmholtz in 1850.<ref name="isbn0-409-90077-X-The Origins of the History and Physical Examination">{{cite book |author=Walker HK |authorlink= |editor=Walker HK, Hall WD, Hurst JW |others= |title=Clinical methods: the history, physical, and laboratory examinations||edition= |edition=3rd|language= |publisher=Butterworths |location=London |year=1990 |origyear= |pages= |quote= |isbn=0-409-90077-X |oclc= |doi= |url=http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cm |accessdate=|chapter=The Origins of the History and Physical Examination|chapterurl=http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cm&part=A14 }}</ref>
Ophthalmoscopes were developed by Helmholtz in 1850.<ref name="isbn0-409-90077-X-The Origins of the History and Physical Examination">{{cite book |author=Walker HK |authorlink= |editor=Walker HK, Hall WD, Hurst JW |others= |title=Clinical methods: the history, physical, and laboratory examinations||edition= |edition=3rd|language= |publisher=Butterworths |location=London |year=1990 |origyear= |pages= |quote= |isbn=0-409-90077-X |oclc= |doi= |url=http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cm |accessdate=|chapter=The Origins of the History and Physical Examination|chapterurl=http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=cm&part=A14 }}</ref>
The first opthalmoscopes were magnifying mirrors, placed over the examiner's eye and illuminated by an external light source. Modern opthalmoscopes contain a light source. General-purpose opthalmoscopes may be built as viewing heads that can be interchanged with [[otoscope]]s and other viewing instruments, using the same handheld power supply, which serves as the handle.


==References==
==References==
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In medicine and the physical examination, ophthalmoscopes are "devices for examining the interior of the eye, permitting the clear visualization of the structures of the eye at any depth."[1]

Ophthalmoscopes were developed by Helmholtz in 1850.[2]

The first opthalmoscopes were magnifying mirrors, placed over the examiner's eye and illuminated by an external light source. Modern opthalmoscopes contain a light source. General-purpose opthalmoscopes may be built as viewing heads that can be interchanged with otoscopes and other viewing instruments, using the same handheld power supply, which serves as the handle.

References