I wear hard gas-permeable lenses, and AFAIK those have to be washed with water as well as some detergent and then rinsed with water. Does anyone know if all the

I wear hard gas-permeable lenses, and AFAIK those have to be washed with water as well as some detergent and then rinsed with water. Does anyone know if all the article says applies to hard lenses too? For those who don't know the difference, hard gas-permeable lenses are more like a piece of hard plastic than a gel like substance, they can't dry out.