Which indicator suggests that a pair of glasses may need adjustment?

Discomfort or slipping off the face is a clear indicator that a pair of glasses may require adjustment. This discomfort can indicate that the frames may not be properly fitted to the individual’s face, leading to a poor fit. When glasses do not sit correctly on the nose and ears, they can cause irritation or slip off, making them difficult to wear consistently. Properly adjusted glasses should feel secure without causing any pain or moving excessively during regular activities.

In contrast, clear vision at all distances, unchanging fit over time, and increased vision clarity are signs that the glasses may be functioning as intended and do not indicate an adjustment is necessary. Clear vision signifies that the lenses are correctly prescribed, while an unchanging fit can suggest that the glasses have maintained their integrity. Increased vision clarity can indicate that the glasses are doing their job effectively. These aspects do not imply any need for adjustment, reinforcing that discomfort or slipping is the primary sign that an adjustment is warranted.