深視力測定 is a handy app that allows you to measure your visual acuity easily and conveniently. It is specifically designed for those who struggle with measuring their visual acuity during license renewals.

With this app, you can now check your visual acuity right from the comfort of your own home. It's a great way to practice and improve your vision.

The measurement process is simple. Just touch the screen to start the measurement, and touch it again to finish. The results will be evaluated on a 3-level scale, with additional insights provided.

Please note that the results may vary depending on your device, as they are based on smartphone standards. Also, keep in mind that this app provides a simulation and cannot guarantee the accuracy of real-world measurements.