• Thumbnail for Herman Snellen
    Herman Snellen (Dutch pronunciation: [ˈɦɛr.mɑn ˈsnɛ.lə(n)], February 19, 1834 – January 18, 1908) was a Dutch ophthalmologist who introduced the Snellen chart...
    5 KB (463 words) - 22:14, 24 August 2024
  • Thumbnail for Zeist
    missionary, worked as a foreign adviser in Japan Hermann Snellen (1834–1908) ophthalmologist, invented the Snellen chart Anthon van Rappard (1858–1892) painter...
    11 KB (870 words) - 05:07, 1 September 2024
  • for securing a perfect focus in photographic portraiture. In 1876, Hermann Snellen introduced a phakometer which was a similar set up to an optical bench...
    5 KB (425 words) - 13:41, 15 May 2024
  • Thumbnail for Optimum HDTV viewing distance
    primarily based on the work of Dr. Hermann Snellen. Dr. Snellen developed the eye examination chart that bears his name (Snellen chart). From his findings and...
    43 KB (4,260 words) - 08:53, 12 August 2024
  • Thumbnail for Royal College of Surgeons in Ireland
    Jonathan Hutchinson (1887) Thomas Heazle Parke (1889) John Shaw Billings, Hermann Snellen (1892) Thomas Joseph Crean (1902) Anthony Traill (1905) Henri Hartmann...
    34 KB (3,414 words) - 21:39, 7 September 2024
  • – Smurf (Smurf language), Smurf attack, Smurfing. Hermann Snellen, Dutch ophthmalmologist – Snellen chart Willebrord Snellius, Dutch astronomer and mathematicianc...
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  • syndrome named after him in his doctoral dissertation. Hermann Snellen publishes the Snellen chart for testing visual acuity. July 8 – Theodore Timby...
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  • Thumbnail for Eduard Jäger von Jaxtthal
    Küchler (1811-1873). In 1862 Dutch ophthalmologist Hermann Snellen introduced the popular "Snellen chart" for testing visual acuity. Beiträge zur Pathologie...
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  • Thumbnail for List of Dutch inventions and innovations
    visual acuity. Snellen charts are named after Dutch ophthalmologist Hermann Snellen who developed the chart in 1862. Vision scientists now use a variation...
    198 KB (23,352 words) - 06:51, 30 August 2024
  • Hans Schenk Paul Schnabel Peter Schrijver Wisse Alfred Pierre Smit Hermann Snellen Sami Solanki T. A. Springer Hendricus Stoof Dirk Jan Struik Karel van...
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  • Thumbnail for Jacobus Schroeder van der Kolk
    Utrecht, Schroeder van der Kolk's pupils included Franciscus Donders, Hermann Snellen and Barend Joseph Stokvis.[citation needed] He published over 100 papers...
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  • Thumbnail for Amsler grid
    Free Android mobile app on Google Play "Blind Spot Amsler Grid" Test from Snellen eye chart Printable Amsler Grid "Amsler Grid: A Test for Macular Degeneration...
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  • Thumbnail for Ophthalmology
    of state support for the specialization Herman Snellen (1834–1908) (Netherlands) introduced the Snellen chart to study visual acuity Vladimir Petrovich...
    48 KB (5,358 words) - 22:27, 3 August 2024
  • Baptiste Lepaute, (1727–1802), French royal clockmaker, Paris. Willem Snellen (1727–1791), Dutch clockmaker, Dordrecht, astronomical clock, marine chronometer...
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  • (1843–1926) Crustacea W.L. Smith – William Leo Smith Snellen von Vollenhoven – Samuel Constantinus Snellen von Vollenhoven (1816–1880) Snethlage – Emilia Snethlage...
    96 KB (9,925 words) - 18:44, 9 August 2024
  • Thumbnail for François Pollen
    (1819–1878) and François Pollen, Part 5. Insectes ... by Samuel Constantinus Snellen van Vollenhoven (1816–1880) and Edmond de Sélys Longchamps (1813–1900)...
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  • Thumbnail for Keratoconus
    any family history of ocular disease. An eye chart, such as a standard Snellen chart of progressively smaller letters, is then used to determine the person's...
    66 KB (7,263 words) - 18:13, 3 September 2024
  • Thumbnail for Willem Thomas de Vogel
    pp. 29–62, doi:10.1163/9789004280724_003, ISBN 978-90-04-28069-4. Snellen, Hermann Adrianus (1995), Willem Einthoven (1860–1927) Father of Electrocardiography...
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  • Thumbnail for Timeline of entomology since 1900
    economic entomology. Murinus Cornelius Piepers, Pieter Cornelius Tobias Snellen and Hans Fruhstorfer. The Rhopalocera of Java commenced. Completed 1918...
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  • Thumbnail for Limenitidini
    Limenitidini (category Taxa named by Hans Hermann Behr)
    Moore, [1898] Pseudacraea Westwood, [1850] – false acraeas Pseudoneptis Snellen, 1882 – blue sailers Sumalia Moore, [1898] Tarattia Moore, [1898] "Limenitidini"...
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  • Thumbnail for Timeline of Australian inventions
    enable a more accurate estimate of acuity than other charts (e.g., the Snellen chart) and is recommended particularly in a research setting. 1977 – Laser...
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  • Thumbnail for Limenitidinae
    Limenitidinae (category Taxa named by Hans Hermann Behr)
    martha – knight Pseudacraea – false acraeas (Limenitidini?) Pseudoneptis Snellen, 1882 – blue sailers (Limenitidini?) Chalinga Moore, 1898 (=Seokia Sibatani...
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  • ("Physiologie des allgem Stoffwechsels und der Ernährung", 1881, Vol. VI in Hermann´s "Handbuch d. Physiologie")" "Work on diseases of the eye in lepers, as...
    483 KB (18,753 words) - 09:17, 9 September 2024
  • Thumbnail for Rijksmuseum van Natuurlijke Historie
    Adolph Cornelis van Bruggen Jacobus van der Vecht Samuel Constantinus Snellen van Vollenhoven G. van der Zanden John Gerrard Keulemans Marinus Adrianus...
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  • Thumbnail for List of butterflies of Australia
    Butler, 1887. Johann Friedrich Gmelin, 1790. Snellen, 1889. Pierre André Latreille, 1809. Karl Hermann Konrad Burmeister, 1878. Félix Édouard Guérin-Méneville...
    104 KB (7,198 words) - 06:04, 25 April 2024
  • Thumbnail for Danièle Bourcier
    the MAIRILOG project", in Expert Systems in Public Administration, I. Snellen, W. van de Donk, J.-P. Baquiast (eds.), Elsevier, 1989 "Knowledge, rationality...
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    (Loew, 1850) Rachicerus fulvicollis Walker, 1854 Rachicerus fulvicornis (Snellen van Vollenhoven, 1863) Rachicerus galloisi Séguy, 1948 Rachicerus guttatus...
    17 KB (1,246 words) - 03:49, 22 July 2024
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    723. Sihvonen, P. & Staude, H. (2011) Geometrid moth Afrophyla vethi (Snellen, 1886) transferred from Oenochrominae to Sterrhinae (Lepidoptera: Geometridae)...
    13 KB (1,430 words) - 12:23, 12 January 2023
  • Thumbnail for 2020 in science
    science works". Science News. 28 October 2020. Retrieved 10 November 2020. Snellen, I. A. G.; Guzman-Ramirez, L.; Hogerheijde, M. R.; Hygate, A. P. S.; van...
    152 KB (27,252 words) - 14:51, 10 September 2024