E Rosen, C Gore (BMI Alexandra Hosp Cheadle, Manchester, England)
Staar Collamer Posterior Chamber Phakic Intraocular Lens to Correct Myopia and Hyperopia.
J Cataract Refract Surg 24: 596-606, 1998.
The Staar posterior chamber phakic IOL has a range of powers from +10D to -20D, for surgical correction of both myopia and hyperopia. The IOL is placed in the posterior chamber, anterior to the crystalline lens.
A study of sixteen myopic and nine hyperopic of eyes, showed a significant increase in uncorrected visual acuity at 3 month follow up.