(1834â1908), Dutch ophthalmologist. Snellen was director of an eye clinic at Utrecht. In 1862 he introduced a test for measuring the acuteness of vision which consisted of printed letters or words in type of various sizes.
The poppy of wartime remembrance is Papaver rhoeas, the red-flowered corn poppy. This poppy is a common weed in Europe and is found in many locations, including Flanders, which is the setting of the famous poem In Flanders Fields by the Canadian surgeon and soldier John McCrae.
Poppies are another flower that grow in all different parts of the world. Despite this, and unlike other flowers with broad geographic origins, the poppy flower does not have a widely varied meaning. Its meaning is surprisingly limited.In the Greek and Roman tradition, the poppy flower is associated with death in the form of eternal sleep.Sleep is a universal meaning for the poppy flower, but it can also mean peace. Both meanings make subtle reference to death.n the Greek and Roman tradition, the poppy flower is associated with death in the form of eternal sleep. Sleep is a universal meaning for the poppy flower, but it can also mean peace. Both meanings make subtle reference to death.