Editing 1807 in science (section)

==Medicine==
* [[Samuel Hahnemann]] first introduces the term '[[homeopathy]]' in an essay, "Indications of the Homeopathic Employment of Medicines in Ordinary Practice", published in ''Versammlung der Hufelandische medicinisch-chirurgischen Gesellschaft''.<ref>{{cite book|first=Martin|last=Gumpert|title=Hahnemann: the Adventurous Career of a Medical Rebel|url=https://archive.org/details/hahnemannadventu0000gump|url-access=registration|edition=English-language|location=New York|publisher=Fischer|year=1945|page=[https://archive.org/details/hahnemannadventu0000gump/page/130 130]}}</ref>
* British Army surgeon [[John Vetch]] describes the [[keratoconjunctivitis]] ("Egyptian ophthalmia") suffered by troops returned from service overseas;<ref>{{cite book|first=John|last=Vetch|title=An Account of the Ophthalmia|location=London|publisher=Longman|year=1807}}</ref> he identifies it as epidemic.<ref>{{cite journal|first=Robert M.|last=Feibel|title=John Vetch and the Egyptian Ophthalmia|series=History of Ophthalmology|journal=Survey of Ophthalmology|volume=28|year=1983|pages=128–34|url=https://www.surveyophthalmol.com/article/0039-6257(83)90082-6/fulltext}}</ref>