Aqueous aqueous drainage device implantation

Water drainage device implantation is an extraocular filtration procedure. It uses the aqueous humor drainage device to drain the aqueous humor from the anterior chamber to the outside of the eye. There are three main types of aqueous humor drainage devices: ① The aqueous humor is drained from the anterior chamber to the anterior conjunctiva through the limbus sclera. Since the fibrous tissue under the conjunctiva surrounds the outer opening of the aqueous humor drainage device, the operation is prone to failure. ② The aqueous humor is drained from the anterior chamber through the cleft of the ciliary body to the superior choroid space. Due to the difficulty of surgical operation and prone to anterior chamber bleeding, it has been rarely used. ③ The aqueous humor is drained from the anterior chamber through the limbus to the aqueous humor collection device fixed to the equator of the eyeball. After nearly 30 years of clinical application and improvement, the curative effect has been continuously improved, and the complications have been gradually reduced. It has been widely used. This article describes this type of aqueous humor drainage device implantation.

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