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Published on: April 3, 2016
Comparison of two plate-haptic intraocular lenses in a rabbit model
1Department of Ophthalmology, University of Utah, Salt Lake City 84132, USA.
Purpose:
To compare the presence of fibrosis through footplate positioning holes in two different silicone intraocular lenses (IOLs) following phacoemulsification with IOL implantation.
Setting:
Moran Eye Center, University of Utah, Salt Lake City.
Methods:
Twelve New Zealand white rabbits had phacoemulsification with placement of a control silicone IOL in one eye and a study IOL with a larger positioning hole in the opposite eye. The amount of force required to remove the IOLs from the capsular bag was analyzed at 3 and 6 weeks postoperatively.
Results:
The force necessary to remove the study lens with the larger positioning holes was statistically significantly greater at both 3 and 6 weeks than that necessary to remove the control lenses. Capsular fibrosis with proliferative lens cortical material through the larger positioning holes was also documented grossly using the Miyake technique.
Conclusion:
The larger footplate positioning holes in the study silicone IOL significantly increased capsular bag fixation in the rabbit model following phacoemulsification and IOL implantation.

