Implantable lens yields promising long-term results for moderate, high myopia

Arch Ophthalmol. 2009;127(7):845-850.

At 4 years after implantation, a phakic Collamer lens showed good results in treatment of moderate to high myopia, a study showed.

"Implantation of ICLs is safe and effective and provides predictable and stable refractive results in the treatment of moderate to high myopia during a 4-year observation period, suggesting its viability as a surgical option for the treatment of such eyes," the study authors said.

The prospective study included 56 eyes of 34 patients that underwent Visian ICL (STAAR Surgical) implantation. Preoperative refractive error ranged from –4 D to –15.25 D. Safety, efficacy, predictability, stability and adverse events were assessed before surgery and 1, 3 and 6 months and 1, 2 and 4 years after surgery.

Study data showed mean logMAR uncorrected visual acuity of –0.03 and mean best corrected visual acuity of –0.21 at 4 years postop. The mean safety index was 1.19; the mean efficacy index was 0.83.

Also at 4 years, 44 eyes (79%) were within 0.5 D of desired correction, and 52 eyes (93%) were within 1 D of targeted correction.

No sight-threatening complications were reported during the 4-year interval, the authors said.