True or False: All standalone cleaners are abrasive.

• A. False
• B. True
• C. Not specified
• D. Sometimes

Answer: (B)

Stand-alone cleaners for gas permeable lenses are chosen for their ability to remove stubborn surface deposits through physical scrubbing. The abrasive components in these cleaners provide the mechanical action needed to dislodge deposits that chemical only cleaning won’t fully remove. Because their purpose is to scrub the lens surface to restore clarity and remove buildup, they are designed to be abrasive, so the statement aligns with how these products are used in GP care. The other options don’t fit because they imply variability or lack of specification, whereas this category is defined by its abrasive cleaning action.