<div dir="ltr">Dear All,<div>I've had the opportunity to write simple Matlab-based free educational Apps for understanding visual optics that can be used, in real-time, in classrooms.  </div><div><br></div><div>The first one deals with wavefront aberrations and their effect on retinal image quality. You can download it for from:</div><div><br></div><div><a href="https://dri.pwr.edu.pl/i-tools">https://dri.pwr.edu.pl/i-tools</a><br></div><div><br></div><div><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">To run it:</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">1. Open eye_aberrations_app.mlapp (this may take some time to open on some computers)</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">2. Click „Run” in MATLAB Designer</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">The App has many Tool_Tip_Strings to guide you through and point you to relevant published sources. Just point to a slider, push-button or another App element to activate this feature.</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">Stay tuned :-). The second App (to be released this year) will deal with the through-focus OTF and the way to estimate the DoF. </p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">Best wishes</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif">Robert</p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif"><br></p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif"><br></p><p style="box-sizing:inherit;border:0px;font-size:15px;margin:0px 0px 1.6em;outline:0px;padding:0px;vertical-align:baseline;color:rgb(58,58,58);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif"><br></p></div></div>