Dry eye is a common ophthalmic disease with dry and astringent sensation as its main clinical manifestation.It is a common and frequently-occurring disease in ophthalmology.At present,there are many methods to treat dry eye,but the improvement of dry eye is unsatisfactory.At present,the light pulse therapy represented by intense pulsed light(IPL)is a new and popular treatment for dry eye in the world.This paper reviewed the theory and clinical application of IPL in the treatment of dry eye,and pointed out the application trend of IPL in China in order to have a deeper understanding of IPL in t...