Related Experiment Video
Updated: Aug 12, 2026
07:13
An Alternative and Validated Injection Method for Accessing the Subretinal Space via a Transcleral Posterior Approach
Published on: December 7, 2016
Intravitreal gas injection for hypotony after cataract surgery
D Weinberger1, H Stiebel, M Lusky
1Department of Ophthalmology, Rabin Medical Center, Petah Tiqva, Israel.
Journal of Cataract and Refractive Surgery
|November 18, 1998
Summary
Intravitreal perfluoropropane gas injections effectively treated hypotony after cataract surgery in five patients. This safe and successful treatment improved visual acuity and resolved ocular complications without adverse events.
Area of Science:
- Ophthalmology
- Surgical Complications
- Intravitreal Injections
Background:
- Hypotony, a serious complication post-cataract surgery, can lead to vision loss.
- Iridocyclitis, choroidal detachment, and serous retinal detachment are potential causes of hypotony.
- Effective management strategies for post-surgical hypotony are crucial.
Purpose of the Study:
- To assess the efficacy of intravitreal perfluoropropane gas injection for treating hypotony.
- To evaluate the safety profile of this treatment modality.
- To determine the impact on visual acuity and ocular structures.
Main Methods:
- A cohort of 5 patients with hypotony post-cataract extraction was studied.
- Intravitreal injection of 1.0 cc perfluoropropane gas was administered.
- Patients presented with hypotony secondary to iridocyclitis and retinal/choroidal detachment.
Main Results:
- Complete resolution of hypotony was observed in all patients.
- Choroidal and exudative retinal detachments resolved successfully.
- Significant improvement in visual acuity was noted with no observed complications.
Conclusions:
- Intravitreal perfluoropropane gas injection is a viable treatment for hypotony post-cataract surgery.
- This method offers a safe and effective solution for selected patients.
- The procedure demonstrates potential for restoring visual function after surgical complications.
Related Concept Videos
01:25Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
01:27Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:28Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...