30 ABO Practice Quizzes and Study Materials

The ABO Practice Quizzes are designed to allow you to practice ABO concepts a little every day. They are essentially NCLE Practice Test type questions. To get the best results, we recommend taking one quiz per day for 30 days. A little practice every day is better than a lot of practice all at once!

You’ll receive downloadable support materials:

• ABO Formula Quick Reference Sheet
• ANSI Quick Reference Grid
• Ocular Anatomy Packet
• Vocabulary Packet
• Opticianry Tools Packet

Each quiz has about 20 questions. The topics covered on the quizzes are:

• Ocular anatomy
• Refractive errors
• Characteristics of plus and minus lenses
• Decentration
• Minimum blank size
• Transposition
• Vertex distance compensation.
• Light theory
• Index of refraction
• ABBE value
• Vocabulary
• Prentice rule
• Spherical equivalent
• Base curve selection.
• Astigmatism
• ANSI standards
• Focal length
• Calculating effective power in given meridians
• Calculating induced prism in compound lenses
• Optical cross.

Access to the ABO Practice Quizzes and materials lasts for 3 months.

Throughout the course, you will receive occasional check-ins and reminders via text messages.