Related Experiment Video
Updated: Aug 7, 2026
04:59
Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
Phacoemulsification in anterior megalophthalmos
Graham A Lee1, Joshua V Hann, Rosa Braga-Mele
1Royal Brisbane Hospital, Brisbane, Australia. eye@cityeye.com.au
Journal of Cataract and Refractive Surgery
|July 22, 2006
Summary
This study details a phacoemulsification technique for complex cataract surgery with a deep anterior chamber and weak zonules. The described method enables successful visual rehabilitation in challenging anatomical cases.
Area of Science:
- Ophthalmology
- Surgical Techniques
- Cataract Surgery
Background:
- Challenging cataract surgery cases present unique difficulties.
- Hyperdeep anterior chambers, weak zonules, abnormal anterior capsules, and large capsular bags complicate standard phacoemulsification.
Observation:
- A modified phacoemulsification technique was employed to address these anatomical challenges.
- Key steps involved trypan blue staining, a large capsulorhexis, and anterior chamber nucleus prolapse.
Findings:
- Phacoemulsification was successfully performed anterior to the capsulorhexis.
- A posterior chamber iris-clip intraocular lens was implanted.
- The technique effectively managed the complex surgical conditions.
Implications:
- This approach offers a viable solution for achieving successful visual rehabilitation in eyes with complex anatomy.
- The described technique expands the armamentarium for managing challenging cataract cases.
- Further studies could explore long-term outcomes of this modified phacoemulsification technique.
Related Concept Videos
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...
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...