Intraocular lens power calculations: are we stuck in the past?

Intraocular lens power calculations: are we stuck in the past? During the last three decades, cataract surgery has undergone changes that have been nothing short of miraculous. As a resident in ophthalmology, all but 15 of my 123 cataract surgeries were intracapsular extractions, with only slightly more than two‐thirds receiving intraocular lenses (IOLs). The corneal incisions that we made were enormous, vitreous involvement was not uncommon and some amount of corneal oedema on the first postoperative day was de riguer . Clear vision without the aid of spectacle correction was never even a question and the success or failure of our surgeries was based on how willing an eye may have been to forgive our trespasses. Today, the conversation between patient and cataract surgeon is entirely different. Postoperative astigmatism has given way to astigmatism management and pseudophakic presbyopia can be vastly improved by a variety of presbyopia‐correcting lenses. And for the spherical equivalent, the all too common refractive surprise during my days as an ophthalmology resident is now mostly of historical interest. Or is it? In 2006, Gale and others looked at refractive outcomes for a large series of cataract surgery patients operated in the United Kingdom as part of the National Health Service using both the IOLMaster http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical & Experimental Ophthalmology Wiley

Intraocular lens power calculations: are we stuck in the past?

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Abstract

During the last three decades, cataract surgery has undergone changes that have been nothing short of miraculous. As a resident in ophthalmology, all but 15 of my 123 cataract surgeries were intracapsular extractions, with only slightly more than two‐thirds receiving intraocular lenses (IOLs). The corneal incisions that we made were enormous, vitreous involvement was not uncommon and some amount of corneal oedema on the first postoperative day was de riguer . Clear vision without the aid of spectacle correction was never even a question and the success or failure of our surgeries was based on how willing an eye may have been to forgive our trespasses. Today, the conversation between patient and cataract surgeon is entirely different. Postoperative astigmatism has given way to astigmatism management and pseudophakic presbyopia can be vastly improved by a variety of presbyopia‐correcting lenses. And for the spherical equivalent, the all too common refractive surprise during my days as an ophthalmology resident is now mostly of historical interest. Or is it? In 2006, Gale and others looked at refractive outcomes for a large series of cataract surgery patients operated in the United Kingdom as part of the National Health Service using both the IOLMaster

Journal

Clinical & Experimental OphthalmologyWiley

Published: Nov 1, 2009

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