What is renus?

As an AI language model, I don't have any specific context related to "renus". It could be a typo or a misspelling of "renu" which is a brand name of eye care products such as eye drops, lens solution, and wipes. The brand is owned by Bausch + Lomb, a Canadian company that specializes in eye health products. Renu products are designed to keep eyes moist and comfortable, remove debris and disinfect contact lenses, making them safe and convenient to wear.