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Iris × germanica is the accepted name for a species of flowering plants in the family Iridaceae commonly known as the bearded iris [2] or the German bearded iris. [3] It is one of a group of hybrid origin.
Eyeglass users experience tunnel vision to varying degrees due to the corrective lens only providing a small area of proper focus, with the rest of the field of view beyond the lenses being unfocused and blurry. Where a naturally sighted person only needs to move their eyes to see an object far to the side or far down, the eyeglass wearer may ...
Glassblower's cataracts are due to chronic exposure to infrared radiation emitted due to the extreme heating of glass or molten metal. The infrared radiation is absorbed by the iris and lens of the eye. This causes cataracts after decades of exposure. [2] This condition may be prevented by wearing protective glasses while practicing these ...
The only colour really missing is bright scarlet. Many modern garden bearded irises are crosses of 'Iris germanica' and Iris variegata. [4] Iris variegata is an accepted name by the RHS, [19] and it was verified by United States Department of Agriculture and the Agricultural Research Service on 4 April 2003, then updated on 20 April 2009. [14]
Tubular vision: Since macular fibers are the most resistant to glaucomatous damage, central vision remains unaffected until the end stages of glaucoma. It results in tubular vision, or tunnel vision , by the loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision.
Photo: ShutterstockThe advent of summer is the ideal time for so many different kinds of beers. There's the pool beer, the beach beer, the boat beer, the porch beer, and the always beloved post ...
Bearded rhizomatous irises. Section Iris. Iris adriatica Trinajstic ex Mitic; Iris albertii Reg. Iris albicans – white cemetery iris, white flag iris; Iris ...
Iris relicta is a plant species within the genus Iris, and it belongs to the subgenus Iris as well. This rare rhizomatous perennial originates from the mountains of Italy . It is of medium size, bearing purple flowers adorned with white beards.