Image-guided lens extraction surgery: a systematic review.
Eirini-Kanella Panagiotopoulou1, Panagiota Ntonti1, Maria Gkika1
1Department of Ophthalmology, University Hospital of Alexandroupolis, Dragana, Alexandroupolis 68100, Greece.
International Journal of Ophthalmology
|January 22, 2019
Summary
Image-guided systems offer accurate keratometry and IOL power calculations for cataract surgery. While not yet interchangeable with existing devices, they outperform manual marking for toric IOL alignment.
Area of Science:
- Ophthalmology
- Medical Technology
- Surgical Navigation
Background:
- Cataract surgery and refractive lens exchange increasingly utilize advanced imaging.
- Accurate keratometry and toric intraocular lens (IOL) alignment are crucial for optimal visual outcomes.
Purpose of the Study:
- To systematically review and evaluate current image-guided systems for cataract and refractive lens exchange surgery.
- To compare the accuracy, repeatability, and reproducibility of image-guided systems against established keratometric devices and manual techniques.
Main Methods:
- A systematic literature review was conducted using PubMed and Google Scholar in March 2018.
- 21 eligible studies were analyzed, comparing image-guided systems with other keratometric devices and manual ink-marking for toric IOL alignment.
Main Results:
- Image-guided systems demonstrate high repeatability and reproducibility in keratometry and IOL power calculations.
- These systems are not yet interchangeable with current validated keratometric devices.
- Image-guided systems show superiority over manual ink-marking techniques for toric IOL alignment.
Conclusions:
- Image-guided systems represent an accurate and reliable technology for ophthalmic surgery.
- Further validation is needed for interchangeability with established keratometric devices.
- These systems offer a significant advantage in toric IOL alignment compared to conventional methods.
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