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Easy NCLE Conversion Tip

by Marlene Giardini | Sep 23, 2016 | ABO/NCLE exam prep, contact lens fitting, Optical Terminology, optician formulas, Optician Training, Tips and Hints, Uncategorized

Diopter to Radius Conversion for NCLE The value of a contact lens base curve can be expressed in both millimeters of radius and diopters of power. Converting from one to the other is one of the basic skills opticians must master for contact lens fitting. You also need...

ABO 101: Lens Design Basics

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...

ABO Exam Prep: ANSI Z87 Standards

by Marlene Giardini | Oct 14, 2015 | ABO test content, Optical Terminology, Optician Training, Tips and Hints

An apprentice at my dispensary brought in a practice exam from another optician at another store. Copies were eagerly made and handed out to the other trainees. Soon I was being asked questions: How come so many of these questions are about glass? What’s a...

ABO Study: Finding the Power in Any Meridian

by Marlene Giardini | Sep 22, 2015 | ABO test content, ABO/NCLE exam prep, Optical Terminology, Optician Training

This is one of the more important concepts you should know for your ABO and one that is difficult because we don’t use it all the time. We transpose prescriptions from plus to minus cylinder. We calculate minimum blank size. We use Prentice’s Rule during...

ABO study part 2, Terminology

by Marlene Giardini | Sep 12, 2014 | ABO test content, Optical Terminology, Tips and Hints

Optical Terminology: It’s all in the Name. As I stated in an earlier post, according to the official ABO website, about 34% of the NOCE questions are concerned with Opthalmic Optics, and the first item on their list is: TERMINOLOGY. Or, specifically, names of...
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