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Phakic posterior chamber intraocular lens for high myopia
Angel Pineda-Fernández1, Jorge Jaramillo, José Vargas
1Centro Oftalmológico de Valencia-CEOVAL, Valencia, Venezuela. angelpinedaf@yahoo.com
Journal of Cataract and Refractive Surgery
|November 3, 2004
Summary
Implantable contact lens (ICL) surgery effectively corrected high myopia, achieving good visual acuity in most patients. Further research is needed to improve predictability and assess long-term safety, addressing concerns like cataract formation.
Area of Science:
- Ophthalmology
- Refractive Surgery
Background:
- High myopia presents significant visual impairment challenges.
- Surgical correction aims to restore emmetropia and improve visual function.
Purpose of the Study:
- To evaluate the efficacy, predictability, stability, and safety of phakic posterior chamber intraocular lens (PPC IOL) implantation for high myopia.
- Assess the outcomes of implantable contact lens (ICL) surgery in patients with high myopia.
Main Methods:
- A retrospective study analyzed 18 eyes of 12 patients who underwent modified PPC IOL (ICL) implantation.
- The target refraction was emmetropia, with a mean follow-up of 26.6 months.
Main Results:
- Mean preoperative spherical equivalent (SE) was -15.27 D, reducing to -0.62 D postoperatively.
- 61.1% of eyes achieved SE within +/-1.00 D of emmetropia; visual acuity was maintained or improved in most.
- Complications included pupillary block (11.1%), pigmentary dispersion (22.2%), and lens opacification (11.1%).
Conclusions:
- ICL implantation is an effective treatment for high myopia.
- Improvements in predictability are necessary.
- Long-term safety requires further investigation, with ongoing concerns regarding cataract formation, pigmentary dispersion, and glaucoma.