National Opticianry Competency Examination (NOCE)
Content Outline and Test Specifications

I. Ophthalmic Optics (25%)

Terminology
Prescriptions
Lens characteristics
Lens powers and formulas
Lens types  
Various lens materials
Effect of changes in base curve and thickness
Calculating prismatic effects
Effect of lens materials and design on thickness, weight, and dispersion (e.g., aspheric, digital surfacing)
Measurement systems and conversions (e.g., Imperial, metric, box)
Lens options for various occupations and other lifestyle activities
Usable accommodation and the range of vision with various lens powers
Neutralization of lenses
Ophthalmic Formulas

II. Ocular Anatomy, Physiology, and Pathology, and Refraction (10%)

Structure of the eye and function
Pathology
Refraction 

III. Ophthalmic Products (20%)

Frames
Lenses
Low Vision Aids 
Preassembled eyewear 

IV. Instrumentation (15%)

Use of lens power measuring devices
Use of lens measurement devices
Dispensing instrumentation

V. Dispensing Procedures (20%)

Patient history
Fitting, adjusting, and measuring 

VI. Laws, Regulations, and Standards (10%)

(no subheadings)