Exam (elaborations)
ABO Practical Exam | 85 Questions And Answers Already Graded A+
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Single Vision - corrects for one distance Multifocal - Corrects with two or more prescriptions (or 'powers') Bifocal - lens having two focus strengths Trifocal - pertaining to having three focus strengths Calculating Prismatic Effects - obtained at the center of an optical lens by producing a d...
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