Biometry of phakic IOLs

As the human eye is not geometrically round, biometry is required for proper sizing of phakic IOLs, Dr Liliana Werner told delegates in a presentation entitled ‘Phakic IOLs: a report from the pathology lab’.

Dr Werner presented some cases submitted to the Berlin Eye Research Institute (BERI), where she is director for preclinical research, and conducted a wide-ranging analysis of explantations of various phakic IOL models, including the Icare (Corneal), and the V4 and the Visian ICL (both STAAR Surgical).

She noted that phakic IOLs are increasing in popularity and said that more accurate sizing in the future could potentially reduce postoperative complications, including endothelial cell loss and cataract. Dr Werner went through a series of possible measurements for phakic IOL sizing and found that there were no reliable rules of thumb. Each eye is unique and, even within an individual eye, measurements vary along different meridians.

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