(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.
Brief Summary. Papaver somniferum, opium poppy, is an annual herbaceous plant in the Papaveraceae (poppy family) that originated in southeastern Europe and western Asia, and are now widely cultivated in Europe, Asia, China, and North Africa for their seeds, which are used in baking, as a condiment, and for their edible oil.
Poppy fields in Tuscany. Jump to bottom. Hi all, So it's red poppy time here in Tuscany, and we've seen quite a few red poppies lining the roads and such. What we are looking for though is the full fields of red poppies that seem to make it onto every postcard of Tuscany. Does anyone know exactly where there are red fields of poppies in Tuscany or Umbria? Grazie mille, David