"Nest box eye" is a term used to describe an injury or condition that can occur in rabbits, particularly in the newborn kits (baby rabbits). It refers to an infection or inflammation that affects the eye area of kits that are in a nest box.

Nest box eye is usually caused by bacteria, such as Staphylococcus aureus, entering the eyes of the kits. This can happen due to unsanitary conditions in the nest box or inadequate hygiene practices. The bacteria can cause irritation, redness, swelling, discharge, and sometimes crust formation around the eyes of the affected kits.

If left untreated, nest box eye can lead to more serious eye infections, vision impairment, or even loss of affected kits. Therefore, it is important to address the condition promptly.

To prevent and manage nest box eye, consider the following measures:

1. **Cleanliness**: Ensure the nest box and bedding materials are kept clean and dry. Remove any soiled bedding or debris regularly.

2. **Hygiene**: Wash your hands thoroughly before handling the kits to minimize the risk of introducing bacteria. Use clean and sterile materials for handling and caring for the newborn rabbits.

3. **Warm Compress**: Gently apply a warm, moist compress to the affected kits' eyes to help soothe the irritation and promote healing. Use a clean cloth or cotton ball dampened with warm water. Avoid applying excessive pressure.

4. **Veterinary Care**: If the condition worsens, persists, or affects multiple kits, seek veterinary assistance. A veterinarian can provide appropriate treatment, such as antibiotic eye ointments or drops, to manage the infection and prevent further complications.

Remember, it's essential to maintain a clean and hygienic environment for the newborn kits to minimize the risk of nest box eye and other health issues. Regular monitoring and prompt intervention can help ensure the well-being and development of the kits.