Length vs width
The difference is smaller than it is on oval or oblong faces.
Round face shape guide
A face with similar visible width and length, fuller cheeks, and a gently curved jawline.
Round faces are defined more by soft transitions than by exact body weight or cheek fullness. The sides curve continuously, the chin is rounded, and the jaw corners are not strongly visible.
Use a straight-on image with a neutral expression. Pull hair away from the outline and compare proportions, not millimeters taken from an uncalibrated photo.
The difference is smaller than it is on oval or oblong faces.
Look for a continuous curve instead of a defined mandibular corner.
The middle of the face often carries the most visible width.
Introduce vertical movement or controlled angles while keeping the result natural rather than trying to hide facial fullness.
Straight edges and visible corners add contrast to curved proportions, while adequate frame width keeps the glasses in scale with the cheeks.
Length, diagonals, and controlled side volume can visually extend the face without treating roundness as something that must be concealed.
A face with similar visible width and length, fuller cheeks, and a gently curved jawline. Compare face length, forehead, cheekbones, jaw width, and jaw curvature together rather than relying on one feature.
Rectangular frames, Square frames, Geometric frames, Slightly upswept frames are useful starting points. Frame width and lens depth still need to be checked on your own photo.
Long face-framing layers, Angled lob, Side-swept fringe, Volume concentrated above the temples are practical options. Texture, hair type, maintenance, and personal preference matter as much as face shape.