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Long-term endothelial changes after implantation of anterior chamber intraocular lenses in cataract surgery.
J Cataract Refract Surg
October 2003
Eye Clinic, University of Trieste, Trieste, Italy.
Purpose: To determine and quantify corneal endothelial damage after primary or secondary implantation of anterior chamber intraocular lenses (AC IOLs).
Setting: Eye Clinic, University of Trieste, Trieste, Italy.
Methods: This retrospective study comprised 125 patients who had implantation of an AC IOL from January 1987 to December 1998.
The effect of ionizing radiation on intraocular lenses.
Int J Radiat Oncol Biol Phys
September 2001
Department of Radiation Oncology, New York University School of Medicine, New York, NY, USA.
Background: The native crystalline lens is the principal shield against ultraviolet radiation (UV), damage to the human retina. Every year in the United States, more than one million patients undergo removal of the natural lens in the course of cataract surgery (phakectomy), at which time an intraocular lens (IOL) is placed in the lens capsule. The IOL thenceforth serves as the principal barrier to ultraviolet radiation over the life of the implant, potentially for decades.
View Article and Find Full Text PDFThe IOLAB, Inc pediatric intraocular lens study. AAPOS Reasearch Committee. American Association for Pediatric Ophthalmology and Strabismus.
J AAPOS
October 1999
Department of Ophthalmology, University of Minnesota, Minneapolis 55455, USA.
Purpose: This report is a summary of the data of the IOLAB, Inc pediatric intraocular lens (IOL) implantation investigation. The goal of this study was to evaluate the safety and efficacy of IOL implantation for the treatment of pediatric aphakia, pending approval by the Food and Drug Administration.
Methods: From May 1981 to July 1994, a total of 1260 pediatric eyes received 171 styles of IOLs implanted by 361 US investigators.
Incision sizes for foldable intraocular lenses.
Ophthalmology
August 1997
Cullen Eye Institute, Baylor College of Medicine, Department of Ophthalmology, Houston, Texas, USA.
Objective: The purpose of the study is to determine the minimal incision sizes required for implantation of a variety of different foldable intraocular lenses (IOLs) and to evaluate the effect of incision size on tissue damage.
Design: Randomized experimental study.
Participants: Sixty-nine fresh human cadaveric eyes: 15 (pilot study), 48 (main study), and 6 (scanning electron microscopy study).
It has been 10 years since I implanted the first multifocal intraocular lens (IOL). Unfortunately, there has been a gradual lessening of commitment to this modality by the ophthalmic community. The most important single factor for this lack of interest despite the more than adequate available clinical data is the repeated moving of "goal posts" by the American FDA when a multifocal lens style nears premarket approval.
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