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Article
May 1994

Whimsy or Progress. How Can We Tell?

Author Affiliations

Bonn, Germany

Arch Ophthalmol. 1994;112(5):577. doi:10.1001/archopht.1994.01090170021002
Abstract

In his editorial in the March 1993 issue of the Archives, Olson1 stated the need for objective criteria to evaluate advances in cataract surgery, such as sutureless techniques. In his opinion, "bona fide clinical research" performed with "skeptical open-mindedness" evaluating the "gain/price ratio" is the way to properly investigate the true value of any new surgical technique.

I fully agree with Olson and thank him for the support given to our clinical research. However, I would like to remark on the inaccuracy of one of his comments regarding the article on sutureless cataract surgery by my group.2 Olson reports that our technique induces an astigmatism shift from a mean "with the rule" to "against the rule" of approximately 2.5 diopters (D) using vector analysis. This is true when considering the difference between 1 week and 1 month after surgery and not (as incorrectedly stated by Olson) between preoperative

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