LEARNOPTIX / VISUAL LEARNING
Guides & Articles
Practical, easy-to-follow guides for ophthalmic optics, lensmetry, visual optics and progressive addition lenses.
PRACTICAL LEARNING LIBRARY
Understand the principle. Then apply it.
Each guide is designed to pair with a LearnOptix demonstration or an ophthalmic optics learning activity.
INSTRUMENTS
How to read a lensmeter: sphere, cylinder & axis
Read the two principal meridians and write a correct sphero-cylinder prescription.
Read guide ↗GEOMETRICAL OPTICS
+2.00 Df = +0.50 m
Lens power & focal length, made simple
Understand diopters, focal length, positive and negative lens powers.
Read guide ↗OPHTHALMIC LENSES
DISTANCECORRIDORNEAR
How to interpret progressive-lens power maps
Understand the corridor, near zones and where unwanted astigmatism appears.
Read guide ↗Ready to move from reading to doing?
Use a simulator to check your understanding with hands-on visual feedback.
Explore simulators