If a frame's dimensions are A=50 and C=48, with a frame difference of 8, what is the B?

Prepare for the Ophthalmic Dispensing Test with flashcards and multiple choice questions, each question offers hints and explanations. Excel in your exam!

To determine the value of B in the context of eyewear frame measurements, understanding the relationships between the dimensions is essential. In this case, we have A (the width of the eye size), C (the total width of the frame), and the frame difference, which informs the relationship between the sizes.

The dimensions commonly follow the formula for frame measurements:

  • A is the width of one lens,

  • B represents the height of the lens,

  • C is the total width of the frame,

  • The difference between A and the total frame width (C) is important for understanding how the other dimensions relate to each other.

Given the frame difference is stated as 8, we utilize this alongside A and C. One way to deduce B is through understanding the typical proportions in eyewear. If A is given as 50 and the C value as 48 appears unusual since C usually should be greater than or equal to A. However, since we know the frame difference and want to calculate B.

A useful approach here is recognizing that the height (B) can typically be inferred based on standard pairs with given differences in the eyewear designs. In a practical context, when A is larger than B and we explore different options

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