The Yellow is a premium quality concave/concave lens. These eyes have a smaller than standard size black pupil (smaller then shown in the photo) with a bright yellow iris.
The Red is a premium quality concave/concave lens. These eyes have a smaller than standard size black pupil (smaller then shown in the photo) with a red iris.
The Medium Brown is a premium quality concave/concave lens. These eyes have a smaller than standard size black pupil (smaller then shown in the photo) with a medium brown iris.
The Hazel is a premium quality concave/concave lens. These eyes have a smaller than standard size black pupil (smaller then shown in the photo) with a hazel iris.