NORTH CAROLINA STATE BOARD OF OPTICIANS
OPHTHALMIC LENSES EXAMINATION
- REFERENCES:
- Brooks, C.W. Understanding Lens Surfacing. Butterworth-Heinemann, Boston, 1992.
- Brooks, C.W., and Borish, I.M. System for Ophthalmic Dispensing. Butterworth-Heinemann, Boston, 1996.
- The North Carolina State Board of Opticians OPHTHALMIC LENSES examination may include but will not be limited to the following topics:
- optical and physical properties of ophthalmic crown glass, flint, barium crown, CR-39, polycarbonate;
- absorptive lenses and lens coatings;
- physical characteristics of single vision and multifocal lenses;
- aberrations and ophthalmic lens design;
- formulas including the sagitta formula, formula relating to center and edge thickness, back vertex power, front vertex power, and oblique powers.