Design of Elliptic Reflective LED Surgical Shadowless Lamps Using Mathematical Optical Tracing Algorithms

Table 3

Actual measurement data of stacked shadowless lamp.

Item	No mask	1 mask	2 masks
(lux)	102,500	59,144	68,147
/	0.680	0.540	0.559
Shadowless dilution	—	0.577	0.665