نتایج جستجو برای: claw phakic intraocular lens

تعداد نتایج: 67040  

Journal: :Clinical & experimental optometry 2013
Seyed Javad Hashemian Mohammad Soleimani Alireza Foroutan Mahmood Joshaghani Jafar Ghaempanah Mohammad Ebrahim Jafari

BACKGROUND The aim was to evaluate the safety, efficacy, stability and predictability of posterior chamber collagen copolymer phakic intraocular lens (pIOL) implantation to correct myopia and myopic astigmatism associated with keratoconus. METHODS The unaided vision and visual acuity, refraction and adverse events were measured in 22 keratoconic eyes of 14 patients after using an implantable ...

2012
Huanqing Guo Alexander V. Goncharov Chris Dainty

We hypothesize that an intraocular lens (IOL) with higher-order aspheric surfaces customized for an individual eye provides improved retinal image quality, despite the misalignments that accompany cataract surgery. To test this hypothesis, ray-tracing eye models were used to investigate 10 designs of mono-focal single lens IOLs with rotationally symmetric spherical, aspheric, and customized sur...

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