Abstract
SummaryPCO remains the commonest complication of cataract surgery and is a particular problem with presbyopia correcting multifocal IOLs which are more sensitive to mild PCO and it remains the barrier to a truly accommodating IOL. This presentation reviews the current clinical status of PCO prevention and in particular the contribution of IOL material and design. Hydrophobic materials appear to induce less PCO than hydrophilic polymers and the reasons for this will be discussed. Square edge profile IOLs have reduced the incidence of PCO but delay rather than cure the problem, edge profile quality is however is very variable and this has clinical implications. Haptic design also affects PCO performance. New ‘open bag’ IOL designs appear to offer a significant improvement in PCO prevention.
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