optical guide system: American patent liquid optical fiber, domestic common optical fiber.
Different applicable groups: 38 in the United States is the whole population, and domestic children under 2 years old and pregnant women are not applicable.
course of treatment: American (1~3 months), domestic (3~6 months)
treatment site: American is suitable for all parts, but domestic eyes and genitals are prohibited.
wavelength: 38nm monostable in America. Domestic narrow-band wavelength is stable from 29 to 314.
light energy: concentrated, uniform, efficient and constant temperature in the United States. Domestic sporadic and decreasing
Indications: the United States is all types of vitiligo, and domestic vitiligo is only suitable for stable period, not suitable for developing period
Efficacy: American excimer laser has unique coherent light, which takes effect quickly and has obvious curative effect, while domestic excimer laser has slow effect and is easy to relapse
Efficiency: American excimer laser has high efficiency, short treatment time, not easy to relapse, and treats both the symptoms and root causes. Domestic low efficiency, long treatment time