BOOTCAMP LIBRARY
Interactive mini-courses designed to help you master each ABO, CPO, and NCLE exam topic. Learn, practice, and track your mastery.
ABO Bootcamp: Optical Math
Master the math. Build your confidence. Be ready for test day.
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.
NCLE Bootcamp: Contact Lens Math
Master the calculations behind contact lens fitting and prepare for the NCLE Certification Exam.
Contact lens math is essential for the National Contact Lens Examiners (NCLE) certification. This bootcamp covers the key calculations - from vertex distance and keratometry to base curves, tear lenses, and SAM/FAP - with step-by-step worked examples and practice problems tailored to the NCLE exam. Master vertex distance, keratometry, base curves, tear lenses, SAM/FAP, RGP calculations, and contact lens prescription math.
Unofficial OpticalToolbelt educational resources. Not affiliated with, endorsed by, or sponsored by the American Board of Opticianry (ABO), the Commission on Paraoptometric Certification (CPO), or the National Contact Lens Examiners (NCLE).