by Marlene Giardini | Feb 25, 2016 | ABO test content, ABO/NCLE exam prep, Optical Terminology, Optician Training, Tips and Hints
Factors of Lens Design You will probably get at least ONE question on your ABO on lens curvature and design and the factors that affect it. You might even get a LOT of questions on lens design depending upon which ABO test you are taking. The National exams are...
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