Imaging of the Postoperative Eye and Orbit | Radiology Key
2022年1月3日 · Glaucoma Drainage Implants. The excess intraocular pressure is reduced in patients with glaucoma using aqueous drainage devices, such as the Ahmed and Baerveldt shunts, among others.
What Is a Glaucoma Drainage Implant?
2024年9月16日 · A glaucoma drainage implant is a small device placed in the eye to treat glaucoma. There are several types of glaucoma drainage implants. All have a soft, flexible tube connected to a small plate. That plate is very thin and curved to …
Postoperative Imaging of the Orbital Contents | RadioGraphics
2015年1月15日 · Ophthalmologists perform a wide array of interventions on the orbital contents. The surgical treatment of glaucoma, cataracts, retinal detachment, and ocular trauma or malignancy results in alteration of the standard anatomy, which is often readily evident at radiologic examinations.
Imaging of the Postoperative Orbit - Radiology Key
2017年3月13日 · The common eye surgeries that are evident on imaging include: (1) cataract surgery and intraocular lens implant; (2) retinal detachment surgeries (retinopexy, scleral buckling, and vitrectomy); (3) glaucoma aqueous shunting; (4) evisceration and enucleation; (5) ocular prosthesis; (6) eyelid weights; (7) dacryocystorhinostomy; (8) orbital ...
Tube Shunt Drainage Devices for Glaucoma - BrightFocus
2021年7月8日 · One type of incisional glaucoma surgery uses a tube shunt, which is a flexible glaucoma drainage device that is implanted in the eye to divert aqueous humor (the fluid inside the eye) from the inside of the eye to an external reservoir.
Computed tomography (CT) and MR imaging are the two most frequently used modalities, although radiographs that encompass the orbits are occasionally encountered. In this article, the authors describe several of the more commonly performed ocular sur-geries and their expected imaging features.
Ahmed Tube Shunt Surgery: A Guide - Eye Surgery Guide
2024年7月4日 · Ahmed tube shunt surgery is a procedure used to treat glaucoma, a condition that causes damage to the optic nerve and can lead to vision loss. The surgery involves implanting a small drainage device, known as an Ahmed tube shunt, …
Removing a Malpositioned Shunt - Glaucoma Today
We therefore developed a minimally invasive ab interno method to remove the device. Using an ab interno approach, we visualized the angle indirectly through a four-mirror gonioprism and carefully dissected around the tip of the shunt with a 23-gauge microvitreoretinal (MVR) blade.
Understanding Tube Shunt Surgery for Glaucoma
2024年7月4日 · Tube shunt surgery, also known as glaucoma drainage device surgery, is a procedure used to treat glaucoma by implanting a small tube to help drain excess fluid from the eye, reducing intraocular pressure.
Ophthalmic Imaging and Neuroimaging of the Effects of Glaucoma …
2016年9月17日 · Diagnostic imaging also serves a role in the post-therapeutic setting. B-mode ultrasound, CT, and MRI can depict certain glaucoma drainage implants, which may be encountered incidentally and should be appropriately recognized.