Traits

Iris + Pupil allows a Biovent to show both an iris and pupil. Round or slit pupils are both allowed.
Shaped Pupil can be used for any other shapes.

Mixed eyes allow a Biovent to have two different types of eyes.
Examples: Left full sclara and right  shaped pupil.
If paired with the Multi-Eyes trait, each eye may have a unique eye type.

This trait allows Biovents to have multiple eyes! The eyes may be located anywhere on the body but may not be anywhere in the infection.