👉 The word "arc eye" is a term used to describe a visual feature on the retina (the part of the eye that allows us to see) that is responsible for projecting light onto the brain.
In humorous infographics, you can see the image of an arc eye with its bright blue surface representing the retina and the pupils as small white circles. The shape looks like the outline of an arch in space, and it's often depicted with a stylized "arc" shape. For example:  This image features an arc eye that appears as a stylized "arc" shape with blue and white pupils, making it seem more like the outline of an arch in space than a real eye.