How long should a wearer rub the lens when using a multipurpose solution?

When using a multipurpose solution to clean contact lenses, rubbing the lens for 20 seconds is the recommended practice. This duration is essential because thorough cleaning helps to effectively remove deposits, debris, and microorganisms from the lens surface. Rubbing the lenses with the solution enhances the chemical action of the multipurpose solution, ensuring that any potential contaminants are effectively dislodged.

Additionally, the 20-second timeframe strikes a balance between sufficient cleaning and practicality, allowing wearers to maintain good hygiene without extending the process unnecessarily. It is considered long enough to ensure adequate cleaning without risking damage to the lenses or causing fatigue for the wearer.

Thus, adhering to this guideline supports the overall eye health and comfort of contact lens users.