https://www.selleckchem.com/products/sto-609.html
PURPOSE To compare the refractive results of 4 different options for the Barrett True-K formula in eyes with previous myopic excimer laser surgery. SETTING IRCCS - Fondazione Bietti, Rome, Italy. DESIGN Retrospective case series. METHODS Biometric measurements obtained with a rotating Scheimpflug camera (Pentacam) were entered into the Barrett True-K formula. Clinical history (laser-induced refractive change) and the measured posterior corneal curvature were entered as optional. Four variants of the Barrett True-K formula were investiga