Why are re-wetting drops used for GP lenses?

• A. Rewet the surface, stabilize the tear film, rinse debris, break up loosely attached deposits
• B. Disinfect the lens only
• C. Dry the lens completely
• D. Change lens color

Answer: (A)

Rewetting drops are meant to lubricate and rehydrate the GP lens surface and the surrounding tear film. GP lenses sit on the tear film, and blinking or dry eye can create dry spots or surface irregularities that increase friction and blur vision. A lubricating drop restores moisture, improves surface wettability, and helps the tear film spread evenly over the lens, which enhances comfort and clarity. The drops can also loosen tiny debris or loosely attached deposits, making them easier to rinse away with blinking. They are not disinfectants, nor do they dry or color-change the lens. If used frequently, choose preservative-free formulations to minimize irritation.