Importance of CRI Value of Medical LED

How Medical LED Light Source impacts the image of your Endoscopy Camera

Seeing colors as they truly are is critical in healthcare environments. Inaccurate color rendering of skin or blood could lead to a misdiagnosis or failure to see signs of infection or jaundice. LED lights with high color-rendering indexes (CRIs) can ensure that colors are seen accurately. CRI involves a distinct testing method with comparisons to incandescent light or daylight. A light source with a CRI close to 100 shows colors very similarly to how incandescent light or daylight shows those same colors. Fluorescent lights have a range in the lower 60s and below, and LED CRIs can range from 70 to 98.

The spectral graph below can be helpful in understanding the advantage of high-CRI light sources. Lights with a low CRI will show fewer colors while high-CRI lights cover more of the spectrum. A light source’s ability to show more colors increases its accuracy in revealing the true colors of people, objects, and surroundings.