By Rachael Rettner for Live Science
The famed Renaissance artist may have had an eye condition that helped him better-depict the 3D world on a flat surface when drawing and painting, a new report suggests.
The report, which analyzed six works of art that are likely portraits or self-portraits of Leonardo, suggests that the artist may have had strabismus, or crossed eyes, a condition in which a person's eyes don't look in the same direction at the same time.
Read more - live Science
Evidence That Leonardo da Vinci Had Strabismus - JAMA Network