![]() This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Please hover your mouse over the tooltip for more information about PCA.If the user deselects the PCA option, this will be displayed in the ‘Notes’ section as ‘PCA not included’ so that the user is aware that the results are calculated without PCA.‘checked’) when Raytrace loads however the user can deselect this option. – If the user does not select this option, the results will be calculated without PCA, as in previous versions of Raytrace. – If the user selects this option, the results will contain the PCA calculation. In the ‘keratometry’ section, select ‘ALLOW FOR PCA’.If the user selects supplementary lenses calculation, PCA is not displayed. – All Supplementary IOLs (Sulcoflex Aspheric, Sulcoflex Toric and Sulcoflex Trifocal). The PCA calculation is not available for the following lenses:.– All capsular bag toric IOLs (RayOne Toric, RayOne Trifocal Toric, T-Flex) The PCA calculation is optional for the following lenses:. ![]() This is a new, optional adjustment to the calculation which allows for an average amount of posterior corneal astigmatism.Inclusion of Posterior Corneal Astigmatism (PCA) option for more accurate toric IOL calculations ![]()
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