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1. www.ginifab.com › feeds › cm_to_inchActual Size Online Ruler (mm,cm,inches) - Screen Measurements -...

   www.ginifab.com › feeds › cm_to_inch

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   Handy & Accurate Online Ruler. This is a convenient online ruler that could be calibrated to actual size, measurements in cm, mm and inch, the upper half is the millimeter ruler and centimeter ruler, the lower half is an inch ruler.

   • Najdokładniejsza Linijka Online

     Mój laptop ma duży ekran o rozmiarze 13.6x7.6 cala, a jego...

   • Mm, Cm, Polegadas

     Régua conveniente na tela. Esta é uma régua virtual online,...

   • Deutsch

     Hat Ihr Gerät einen 13,6 x 7,6 Zoll großen Bildschirm,...

   • Regla Horizontal

     Mi computadora / ordenador portátil tiene una pantalla...

   • Dansk

     Smart & Nøjagtig Online Lineal. Dette er en nyttig online...

   • Norsk

     Konverter centimeter eller millimeter til tommer: konvertere...

   • Mm, cm, pouce

     Pour calculer avec le nombre de pixels par pouce, suivez...

2. www.lea-test.fi › en › assessmeVisual field - Lea-Test

   www.lea-test.fi › en › assessme

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   At 57cm each centimetre on the paper equals one degree of visual angle, so you can measure the size of the visual field simply by measuring the size of the area in centimetres. When the visual field is very limited, you may like to use a longer distance, 114cm or 228cm to make the measurement even more exact.

3. rechneronline.de › sehwinkel › visual-fieldVisual Field: Calculate Size - Rechneronline

   rechneronline.de › sehwinkel › visual-field

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   Calculator for the size of the visual field at a certain distance. The visual field of an adult human has an average size of 214 degrees in width and 140 degrees in height, these values differ individually. The angles can be converted to lengths for a distance.

4. nbb.emory.edu › wyttenbach › psycogVisual Angle - Emory University

   nbb.emory.edu › wyttenbach › psycog

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   You will need a ruler to measure 2 inches or 5 cm on the screen and to measure your viewing distance. You only need to do it once for this computer/monitor combination. The results are saved and will be used whenever needed.

5. www.ncbi.nlm.nih.gov › books › NBK220Visual Fields - Clinical Methods - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK220

   A normal visual field is an island of vision measuring 90 degrees temporally to central Fixation, 50 degrees superiorly and nasally, and 60 degrees inferiorly. Visual acuity increases from movement discrimination in the extreme peripheral vision to better than 20/20 in the center of vision.

6. en.wikipedia.org › wiki › Humphrey_Visual_Field_AnalyserHumphrey visual field analyser - Wikipedia

   en.wikipedia.org › wiki › Humphrey_Visual_Field_Analyser

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   Figure 1 - Humphrey field analyser. Humphrey field analyser (HFA) is a tool for measuring the human visual field that is commonly used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field. [1]The results of the analyser identify the type of vision defect. Therefore, it provides information regarding the location of any disease processes or lesion ...

7. www.cse.fau.edu › ~oge › pdfUseful quantities in Vision Science - Florida Atlantic University

   www.cse.fau.edu › ~oge › pdf

   Image Formation. The eyes are 6 cm apart and halfway down the head. Visual angle of common objects (degrees): the sun or moon = 0.5; (at arm's length) thumbnail = 1.5; thumb joint= 2.0; fist = 8-10. Monocular visual field measured from central fixation: 160 deg (w) x 135 deg (h).