Indo-european it's a kind of a neolithic culture only united by a common language, people from the indo, to Russia and Anatolia spoke this language without sharing the same ethnic appearence, and then they spread all over Europe and as you can see now most people of European descent have normal eyes.
The shape of people's eyes is primarily determined by genetics. The slanted appearance of some Japanese people's eyes is attributed to a combination of genetic factors, such as the epicanthic fold, which is found in various ethnic groups across Asia. It is important to note that not all Japanese people have slanted eyes, as eye shape can vary within any population.
Slanted roofs don't accumulate water during storms.
sloped, tilted, inclined, pitched.....
Slanting or sloping.
Looking at a definition and some synonyms should help you:inclined or twisted to one sideSynonyms askew, aslant, atilt, cock-a-hoop, cockeyed,crazy, crooked, listing, lopsided, oblique, off-kilter, pitched,skewed, slanted, slanting, slantwise, tilted, tipping, unevenEx 1 Her handwriting as a left-handed person slanted the opposite direction of mine.Ex 2 That news agency has been criticized for force feeding their slanted propaganda on the public opinion of their readers.Ex 3 The broken arm slanted in a grotesque direction.
because they held there eyes slanted and mutated there faces
In order to have naturally slanted eyes you must be born from an ethnic background from which slanted eyes is the norm. These people's eyes probably evolved so they look slanted in order to protect against the glare of ice or snow and also to insulate them. The reason they look slanted is because they have epicanthic folds that are made up of fatty tissue.
Round
Genetics.
No
The shape of one's eyes is not determined by weather conditions, but by genetics. The slanted eye shape common in East Asian populations is a result of genetic adaptations over time. Russians may have a different eye shape due to their own unique genetic background and evolutionary history.
asians are born with slanted eyes, caucasians are not
The shape of people's eyes is primarily determined by genetics. The slanted appearance of some Japanese people's eyes is attributed to a combination of genetic factors, such as the epicanthic fold, which is found in various ethnic groups across Asia. It is important to note that not all Japanese people have slanted eyes, as eye shape can vary within any population.
because their ancestors migrated from asia,
When glasses are not properly aligned with the eyes, they can cause light to refract unevenly, making objects appear slanted or distorted.
Short(: (because their eyes are slanted)
Just because a newborn baby has slightly slanted eyes does not mean that they have down syndrome. Doctors are able to diagnose down syndrome at birth.