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Laser-assisted cataract surgery in small pupils using mechanical dilation devices.
Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|January 10, 2014
Summary
Laser-assisted cataract surgery is feasible in small pupils using mechanical dilation. This technique offers significant patient benefits even in challenging cases, avoiding complications like anterior chamber flattening.
Area of Science:
- Ophthalmology
- Surgical Technology
Background:
- Small pupils present a significant challenge in cataract surgery, complicating capsulorhexis.
- Effective pupil dilation is crucial for successful cataract extraction.
Purpose of the Study:
- To outline methods for executing laser-assisted cataract surgery in patients with small pupils.
- To evaluate the safety and efficacy of mechanical dilation techniques for laser cataract surgery.
Main Methods:
- Mechanical pupil dilation using iris retractors or Malyugin Rings prior to laser capsulotomy and lens fragmentation.
- Laser treatment performed with or without ophthalmic viscosurgical devices (OVD).
Main Results:
- Laser treatment was successfully performed in 73 eyes with small pupils following mechanical dilation.
- No anterior chamber flattening or other intraoperative complications occurred with or without OVD use.
- Anterior capsulotomy adhesions were less frequent when OVD was removed post-laser treatment.
Conclusions:
- Femtosecond laser treatment is a beneficial option for cataract surgery in patients with small, poorly dilating pupils.
- Mechanical dilation devices enable successful laser-assisted cataract surgery in challenging small pupil cases.

