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Vitreous-stabilizing, single-piece, mini-loop, plate-haptic silicone intraocular lens
Journal of Cataract and Refractive Surgery
|March 12, 1998
Summary
The Medevec VS5 intraocular lens (IOL) offers excellent visual results and stable fixation. This foldable IOL requires a small incision for implantation and provides a large optical zone.
Area of Science:
- Ophthalmology
- Biomedical Engineering
Background:
- Cataract surgery involves intraocular lens (IOL) implantation.
- Foldable IOLs offer advantages in surgical technique and outcomes.
Purpose of the Study:
- Evaluate the clinical and visual outcomes of the Medevec VS5 IOL with mini-loops.
- Determine the required incision size and usable optical zone of the VS5 IOL.
- Compare these parameters with other foldable IOLs.
Main Methods:
- The Medevec VS5 IOL was implanted in 27 patients using forceps.
- Incision size, lens centration, and capsular bag fixation were assessed.
- Postoperative visual acuity and optical zone size were compared to other foldable IOLs.
Main Results:
- Implantation required a 2.7 to 3.0 mm incision, with all lenses fixated in the capsular bag.
- 96% of eyes achieved uncorrected visual acuity of 20/40 or better.
- The VS5 IOL demonstrated a larger usable optical zone compared to staked long-loop lenses.
Conclusions:
- The Medevec VS5 IOL provides stable fixation in the capsular bag, positioning in the posterior space.
- It offers a full 5.0 mm optical zone and can be implanted through smaller incisions than other foldable IOLs.