Group A: YAG laser iridotomy was performed one week before operation, followed by CO2 Laser-Assisted Sclerectomy Surgery; Group B: only CO2 Laser-Assisted Sclerectomy Surgery; The patients were followed up for 1 year to observe and compare the difference of the incidence of peripheral anterior synechia and the effect of long-term intraocular pressure control between the two groups.
To investigate the effectiveness of YAG laser iridotomy in preventing peripheral anterior synechia after CO2 Laser-Assisted Sclerectomy Surgery and the long-term effect of reducing intraocular pressure