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FDA approves Tecnis toric calculator improvement
The FDA granted premarketing approval for a software update to Abbott’s Tecnis toric calculator, which will allow the option of adding the posterior corneal astigmatism factor into lens calculations, according to the FDA website.The addition of posterior corneal astigmatism compensation “eliminates the need for look-up tables and improves the predictability of residual astigmatism,” according to company correspondence.