The angle that the frame front makes when the temple is viewed from the side is known as:

The angle that the frame front makes when the temple is viewed from the side is known as:

• A. Pantoscopic Tilt
• B. Face-form Tilt
• C. Pantographic Tilt
• D. Temple Tilt

Answer: (A)

Pantoscopic tilt is the tilt of the frame front toward the wearer's face when you view the temple from the side. This angle positions the lenses so the optical centers line up more accurately with the eyes during typical viewing, especially for down- and near-vision tasks, helping to minimize unwanted prism and maintain clear vision through the lenses. If there’s too little tilt, near vision can be off-center and edges may appear more distorted; too much tilt shifts the optics and can cause perceptual changes at the bottom of the lens. The other terms refer to different fit aspects: one describes how the frame front sits relative to the facial contour, another is a device-related measurement concept, and the last refers to the angle of the temple arms rather than the front of the frame.

Pantoscopic tilt is the tilt of the frame front toward the wearer's face when you view the temple from the side. This angle positions the lenses so the optical centers line up more accurately with the eyes during typical viewing, especially for down- and near-vision tasks, helping to minimize unwanted prism and maintain clear vision through the lenses. If there’s too little tilt, near vision can be off-center and edges may appear more distorted; too much tilt shifts the optics and can cause perceptual changes at the bottom of the lens. The other terms refer to different fit aspects: one describes how the frame front sits relative to the facial contour, another is a device-related measurement concept, and the last refers to the angle of the temple arms rather than the front of the frame.