1. Historical Reason: The tradition of using green in surgical settings dates back to the late 1800s when a German physician named Hermann von Helmholtz discovered that the human eye is most sensitive to green light. He observed that green reduces eye fatigue and chromatic aberration (distortion of colors) during surgeries, allowing surgeons to distinguish red tissues and blood from other tissues more easily.
2. Color Perception: The human eye and brain are highly sensitive to red and orange colors, which can lead to eye fatigue and difficulty distinguishing between red tissues and blood during surgery. Green, being complementary to red, reduces the impact of red on the surgeon's eyes, allowing for better perception of the surgical field.
3. Contrast Enhancement: Green provides a contrasting background for red tissues and blood, making it easier for surgeons to identify and differentiate them from surrounding organs and tissues. This contrast enhances surgical precision and reduces the risk of errors during operations.
4. Calming Effect: The color green is associated with calmness and relaxation. It has been found to have a soothing effect on both the surgical team and the patient, reducing anxiety and stress during surgical procedures.
5. Cultural Significance: In some cultures, green symbolizes growth, renewal, and healing, making it a suitable choice for the operating room environment, where the goal is to heal and restore health.
While green remains the dominant color in many operating theatres worldwide, some healthcare facilities may use different colors, such as blue or teal, for variety or personal preference.