Which term is used to denote the horizontal width across the frame commonly used as the eye size?

• A. Lens Size
• B. A Measurement
• C. Eyesize
• D. B Measurement

Answer: (C)

The eye size is the horizontal width of a single lens, the measurement most commonly shown as the eye size on frame sizes. This dimension describes how wide the lens area is and helps determine how large the lenses will look and sit on the face. In the standard three-number sizing (lens width, bridge width, temple length), the first number corresponds to this lens width, linking directly to what people refer to as the eye size. Other terms in the options either refer to different aspects of the frame (like the bridge or a nonstandard label) or are not the common designation for this particular measurement. So the term used to denote that horizontal width across the frame is eyesize.