A frame has an A measurement of 52 mm, a DBL of 18 mm, and a temple length of 140 mm. What is the total frame width (A + DBL + A)?

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A104 mm
B108 mm
C118 mm
D122 mm

✓ Correct answer: D. 122 mm Total frame width = A + DBL + A = 52 + 18 + 52 = 122 mm. This represents the span from the outermost edge of one lens opening to the outermost edge of the other.

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A frame has an A measurement of 52 mm, a DBL of 18 mm, and a temple length of 140 mm. What is the total frame width (A + DBL + A)?

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