Lenses Course
Dive into geometrical optics for vision correction, from thin-lens fundamentals and ray tracing to diopter calculations, spectacle design, vertex adjustments, and patient communication. Apply principles to real prescriptions, troubleshoot issues, and explain optics clearly in everyday terms for optical practice.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course provides a practical guide to mastering geometrical optics for vision correction. You'll cover thin-lens basics, sign conventions, ray tracing, spectacle design, diopter calculations, vertex distance adjustments, and refractive errors, with examples and scenarios for confident calculations and explanations.
Elevify advantages
Develop skills
- Perform clinical ray tracing to predict image positions for precise spectacle design.
- Calculate diopters and far points swiftly using patient data.
- Master selection of convex or concave lenses with clear justifications.
- Adjust for vertex distance to optimise prescription accuracy and comfort.
- Communicate optics concepts, limitations, and referrals in simple language.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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