[Optimization of phacoemulsification technique for Morgagnian cataract].
E S Pirogova1, O L Fabrikantov1, S I Nikolashin1
1Tambov branch of S.N. Fedorov National Medical Research Center "MNTK "Eye Microsurgery", Tambov, Russia.
Vestnik Oftalmologii
|May 14, 2024
Summary
This study optimized phacoemulsification for Morgagnian cataract using a scaffold technique. This method reduced intraoperative complications and endothelial cell loss, particularly in advanced stages.
Area of Science:
- Ophthalmology
- Surgical Techniques
Context:
- Morgagnian cataract presents unique surgical challenges due to nuclear density and location.
- Accurate classification of Morgagnian cataract is crucial for surgical planning.
Purpose:
- To develop and evaluate an optimized phacoemulsification technique for Morgagnian cataract.
- To tailor the technique based on anatomical and topographic lens nucleus parameters.
Summary:
- A classification system for Morgagnian cataract (initial/advanced stages) was established based on nucleus visualization.
- The scaffold technique, involving nucleus removal into the anterior chamber, was applied in two groups.
- Group 1 (large nucleus) had whole nucleus removal; Group 2 (small nucleus) had fragment removal.
Impact:
- The scaffold technique significantly reduced intraoperative complications (16.7% vs. 27.3%) and endothelial cell loss (10.1% vs. 10.7%).
- Preliminary intraocular lens implantation in the capsular bag can protect the posterior capsule during phacoemulsification of small nuclei, minimizing damage.
Related Concept Videos
01:28Angle Closure Glaucoma: Treatment
480
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...
480
01:27Open Angle Glaucoma: Treatment
432
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...
432
01:25Glaucoma: Overview
556
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...
556