No more waiting for a class to practice!
With Dioptico, you have an ultra-realistic manual phoropter in your pocket.
Practice wherever you want, whenever you want, completely on your own.
No installation
No equipment required

Compatible with all devices
More practice. Better results.
"Thanks to Dioptico, I practice much more often, from home, and I am 100× more confident in practical sessions.”
Emilie P.
3 steps to master refraction with Dioptico 🚀
Print your practice sheet
Our exercises are organized by test to help you focus on exactly what you need to work on,
or as full exams to train under real exam conditions.
⭐ Beginner ⭐⭐ Advanced
With one click, choose your subject, your level and print to practice at your own pace.


Solve it with your virtual phoropter
Use the simulator to work through your exercise: make your adjustments just like in real practice,
turn the dials, find the correct prescription, and record your results.
With the simulator, you build the right habits and gain confidence — no equipment required.
Check your answers with the solutions
Each practice set comes with a detailed solution, with clear explanations so you understand what you did right, where you went wrong, and why.
You can easily spot your mistakes — and make real progress from one practice set to the next.

With the right tool,
progress 3x faster
“Since I started using this simulator, I feel like I’m making much more progress than before. When we cover a concept in class, I can practice it again at home in the evening.”
Lucas R.
Dioptico teaches you exactly what you need to know
Visualize the theory easily
Read and analyze an exam question
Adjusting the settings of a phoropter
Know how to handle a real-life case
Gain fluency and speed
Avoid common mistakes


