[Justification for the use of modular intraocular lens (experimental study)]
Y N Batkov1, V I Mikhaylova1, K A Aleksandrova1
1Cheboksary branch of S.N. Fedorov National Medical Research Center «MNTK «Eye Microsurgery», Cheboksary, Russia.
Vestnik Oftalmologii
|April 21, 2021
Summary
Modular intraocular lenses (IOLs) offer a less traumatic option for IOL exchange. This study in rabbits showed the feasibility of modular IOLs for safe and atraumatic optical disk exchange, minimizing complications.
Area of Science:
- Ophthalmology
- Biomaterials Science
- Surgical Innovation
Background:
- Increasing rates of intraocular lens (IOL) exchange procedures necessitate methods to reduce surgical trauma.
- Modular IOL designs present a potential solution for minimizing complications during IOL exchange.
Purpose of the Study:
- To evaluate the safety and efficacy of a novel modular IOL in a laboratory animal model.
- To assess the feasibility of atraumatic optical disk exchange with a modular IOL system.
Main Methods:
- A modular IOL was implanted in a disjointed state into rabbit eyes, followed by in-situ assembly.
- Long-term effects and the potential for atraumatic exchange were evaluated up to 4 months post-surgery.
Main Results:
- No technical difficulties were encountered during implantation in 3 rabbit eyes.
- Stable IOL positioning and no deformation were observed in most eyes post-surgery.
- Intraocular disassembly and assembly were not hindered by epithelial cell proliferation; optical disk exchange was atraumatic with minimal impact on ocular structures.
Conclusions:
- The modular IOL principle is functional and feasible for reducing the need for traumatic IOL exchange.
- Rabbit eyes demonstrated stable fixation and safe, easy optical disk exchange, avoiding extensive capsular manipulation.
