qīngguāngyǎn / shǒushù / zhǔyào / shì / tōngguò / shūtōng / qiánfángjiǎo / lái / jiàngdī / yǎnyā青光眼手术主要是通过疏通前房角来降低眼压。Glaucoma surgery mainly lowers intraocular pressure by unblocking the anterior chamber angle.