No, cleaning solutions for soft and hard contact lenses are different and not interchangeable. Soft contact lenses require specific solutions that are gentle on the material, remove protein deposits, and disinfect the lenses. Hard contact lenses have different cleaning and disinfecting requirements.nnUsing the wrong cleaning solution can damage the lenses or lead to discomfort and eye infections. It's vital to consult with your optometrist or read the product labels to ensure you're using the appropriate cleaning solution for your specific type of contact lenses.