opcs,term C543,Buckling of sclera and implant HFQ C544,Buckling of sclera and local or encircling explant HFQ C545,Buckling of sclera NEC C548,Other specified C549,Unspecified C553,Drainage of subretinal fluid through sclera C792,Vitrectomy using pars plana approach C795,Internal tamponade of retinal using gas C796,Internal tamponade of retina using liquid C811,Xenon photocoagulation of retina for detachment C812,Laser photocoagulation of retina for detachment C818,Other specified C819,Unspecified C822,Cryotherapy to lesion of retina C845,Drainage of subretinal fluid through retina C846,Retinotomy NEC C851,Retinopexy using cryotherapy