Study Materials
Select a category to review comprehensive study material for the ABO certification exam.
Ocular Anatomy & Physiology
Structure and function of the eye and visual system.
Ophthalmic Lenses
Lens types, materials, designs, and optical properties.
Frames & Materials
Frame styles, materials, measurements, and standards.
Prescription (Rx) Interpretation
Reading and interpreting ophthalmic prescriptions.
Prism
Prism types, effects, calculations, and applications.
Patient Measurements & Fittings
PD, seg heights, vertex distance, frame fitting, and adjustments.
ANSI Standards
ANSI Z80.1 tolerances and quality standards for ophthalmic lenses.
Optical Terminology & Definitions
Key terms, definitions, and concepts in opticianry.
Instrumentation
Lensometers, keratometers, pupillometers, and dispensing equipment.
Dispensing Procedures
Frame fitting, verification, troubleshooting, and patient communication.
Contact Lenses
Contact lens types, materials, care systems, and basic fitting concepts.
Safety & Occupational Eyewear
ANSI Z87.1 standards, safety frames, occupational lenses, and sports eyewear.