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Diplopia. Diplopia. Other names. Double vision. One way a person might experience double vision. Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [ 1] Also called double vision, it is a loss of visual focus ...
Location of Nazca lines in Peru. The Nazca lines ( / ˈnɑːzkə /, /- kɑː / [ 1]) are a group of geoglyphs made in the soil of the Nazca Desert in southern Peru. [ 2] They were created between 500 BC and 500 AD by people making depressions or shallow incisions in the desert floor, removing pebbles and leaving different-colored dirt exposed. [ 3]
Aniseikonia. Aniseikonia is an ocular condition where there is a significant difference in the perceived size of images. It can occur as an overall difference between the two eyes, or as a difference in a particular meridian. [ 1] If the ocular image size in both eyes are equal, the condition is known as iseikonia. [ 2]
The list consists of those species found in the nations or overseas territories of continental South America (including their island possessions, such as the Galápagos ), as well as in Trinidad and Tobago and the Falkland Islands; Panama is not included. As of May 2012, the list contains 1,331 species, 340 genera, 62 families and 15 orders.
Latin American art is the combined artistic expression of South America, Central America, the Caribbean, and Mexico, as well as Latin Americans living in other regions. The art has roots in the many different indigenous cultures that inhabited the Americas before European colonization in the 16th century. The indigenous cultures each developed ...
The maned wolf ( Chrysocyon brachyurus) is a large canine of South America. [ 5 ] It is found in Argentina, Brazil, Bolivia, Peru, and Paraguay, and is almost extinct in Uruguay. Its markings resemble those of foxes, but it is neither a fox nor a wolf. [ 6 ] It is the only species in the genus Chrysocyon (meaning "golden dog" in Ancient Greek ...
[10] A.R. Willcox, writer of the article "Australian and South African Rock-Art Compared", published in 1959, says the tool used to do these paintings was "a brush made from animal’s hair or a single small feather." This may be one reason for the great fineness and delicacy of their painting. [6]
An epicanthic fold or epicanthus[ 6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [ 3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature. [ 7][ 8][ 9] Various factors influence ...