While the Optivizor doesn’t replace a traditional cone for my dog, it is her preferred method of eye protection when outdoors. She had cataract surgery last year, has reoccurring corneal ulcers, and she’s essentially blind, so protecting her eyes is crucial. The Optivizor allows her to freely sniff, hear, and move around outdoors without worrying about re-injuring her eyes. It’s an incredibly well made product, and customer support is amazing — quick to respond and very friendly.