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    Visual outcomes and incidence of PCO associated with a novel IOL

    Clinical findings indicate association with low rate of PCO and good visual outcomes


    Lens design and visual outcomes

    Lens design plays an important role in visual outcomes. Studies have shown that the design of the lens edge influences the migration of lens epithelial cells (LECs). Square edges act as a barrier to LEC migration more than round-edged designs, thus reducing the occurrence of PCO.3,4

    The material from which the lenses are made may also influence the degree of opacification: it is higher in lenses made from poly(methyl methacrylate) than other polymers.2,5,6 Studies have also shown that aspheric IOLs lead to better visual outcomes, particularly in terms of contrast sensitivity and night vision and especially in patients with large pupils.7,8

    In short, IOL design is a complex but vital factor in achieving optimal outcomes. New IOL designs seek to improve quality of vision9,10 and eliminate the formation of glistenings11,12 within the aqueous medium of the IOL because these reduce visual acuity.11

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