Pass the National Optician Certification Exam. Quiz game for Opticians, Techs, & Assistants. Fun way to prepare & review for certification exams. Test your optical knowledge. Over 400 exam-style questions. Game content based on test specifications. Play again & again trying to beat your highest score. Great review for national exams & licenses.The new version highlights correct and incorrect answers. There are also additional colorfully illustrated image questions to quiz you as well as two different playing modes.