FIELD : medicine.SUBSTANCE : invention relates to medicine, in particular to ophthalmology, and can be used to conduct filtering bleb needling. Perform needling of the wall of the filtering bleb using Nd-YAG laser exposure in the avascular zone on the periphery of the cyst with a power of 2–10?MJ and the number of pulses 5–10.EFFECT : method allows to eliminate excess interstitial adhesions, cystic regeneration of the filtering bleb, provides a prolonged hypotensive effect, reducing the morbidity of treatment and reducing the need for repeated operations due to the puncture of the cystic wall of the filtering bleb using Nd-YAG laser treatment in the avascular zone on the periphery of the cyst in a certain mode.1 cl, 2 ex