CPO Bootcamp: Optical Math
### Master the optical calculations you need to understand for the CPO Certification Exam.
Optical math is a core part of the Certified Paraoptometric (CPO) exam. This bootcamp breaks essential calculations into manageable lessons, walks you through each formula step-by-step, and gives you plenty of practice problems to build confidence before test day. Master prescriptions, PDs, frame measurements, working distance, decentration, prism, and everyday optical calculations.
WHAT YOU'LL LEARN
Premium Member Training
Premium Members get access to the complete bootcamp, interactive practice, quizzes, progress tracking, and more. Some introductory lessons are available for free.
Course Lessons
Understanding Diopters
10 min
Understanding an Eyeglass Prescription
12 min
Prescription Addition & Subtraction
11 min
Spherical Equivalent
12 min
Basic Prescription Transposition
13 min
Understanding ADD Power
10 min
Working Distance
11 min
Visual Acuity Math
10 min
Pupillary Distance Math
10 min
Frame Measurements
11 min
Frame PD / Geometric Center Distance
11 min
Lens Decentration
12 min
Introduction to Prism Math
12 min
Practical Optical Office Math
11 min
Unofficial OpticalToolbelt educational resource. Not affiliated with, endorsed by, or sponsored by the American Board of Opticianry (ABO).