What is the term used for the angle that should be parallel to the angle of the nose when assessing facial profiles?

The term that refers to the angle that should be parallel to the angle of the nose when assessing facial profiles is the crest angle of the bridge. This angle plays a crucial role in ensuring that eyeglasses fit well and are positioned correctly on the face. When the crest angle of the bridge aligns with the contour of the nose, it helps achieve a comfortable and aesthetically pleasing fit for the eyewear, which is important for both functionality and style.

The other options either refer to different angles or terms that are not used to describe the alignment with the nose's angle. For instance, the crest angle of the lens pertains to how the lens itself is positioned, while the bridge angle of the glasses might imply a different measurement related to the overall structure of the glasses. The term "crest profile angle" does not specifically relate to the nose's alignment and could create confusion with similar concepts. Understanding these distinctions is essential for fitting glasses effectively and ensuring patient satisfaction.