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World J Ophthalmol. Nov 12, 2014; 4(4): 140-146
Published online Nov 12, 2014. doi: 10.5318/wjo.v4.i4.140
Improving refractive outcomes in cataract surgery: A global perspective
Petros Aristodemou, Nathaniel E Knox Cartwright, John M Sparrow, Robert L Johnston
Petros Aristodemou, John M Sparrow, Department of Ophthalmology, University of Bristol, Bristol Eye Hospital, Bristol BS1 2LX, United Kingdom
Petros Aristodemou, Vitreous Retina Macula Clinic, Limassol 3025, Cyprus
Nathaniel E Knox Cartwright, West of England Eye Unit, Royal Devon and Exeter NHS Foundation Trust, Exeter EX2 5DW, United Kingdom
Robert L Johnston, Gloucestershire Hospitals NHS Foundation Trust, Cheltenham GL53 7AN, United Kingdom
Author contributions: All authors performed a literature review and coauthored this review article.
Correspondence to: Petros Aristodemou, FRCOphth, Department of Ophthalmology, University of Bristol, Bristol Eye Hospital, Lower Maudlin St, Bristol BS1 2LX, United Kingdom. topetros@yahoo.com
Telephone: +357-25-878789 Fax: +357-25-878789
Received: April 29, 2014
Revised: July 24, 2014
Accepted: September 23, 2014
Published online: November 12, 2014
Core Tip

Core tip: The requirements for good refractive outcomes in cataract surgery are: (1) standardisation of biometry equipment used for axial length and keratometry measurement and the use of optical or immersion ultrasound biometry; (2) sutureless cataract surgery with “in the bag” intraocular lens placement; (3) an appropriate 3rd, 4th or 5th Generation intraocular lens (IOL) power formula should be used; (4) IOL formula constants must be optimized; (5) under certain conditions, the refractive outcome of the 2nd eye can be improved based on the prediction error of the cataract surgery for the first eye; and (6) results should be audited for refinement and to ensure that standards are met.