The iris of llamas is unique due to structures called “iridic granules“. These are dark lumpy masses coming off the iris at the top and bottom of the pupil. They providing shade to the eye.
Llamas also do not have a tapetum or what you would know as that glow you see when headlights shine into an animals eyes at night.
- Llamas have three eyelids
- Tear production in llamas also has three layers
- a deep mucous layer
- a middle aqueous (fluid) layer
- an outer oil layer
The mucous layer has antibacterial capabilities.