 Nanogel technology has been used to develop new treatments for ocular diseases such as glaucoma, cataracts, dry eye syndrome, and bacterial keratitis. These nanogels can deliver drugs directly to the eye, allowing for more effective treatment with fewer side effects. Additionally, they can be used to create contact lenses or coatings that contain drugs, providing even greater potential for treating these conditions. This article was authored by Yongkang Wu, Qing Tao, Jin Xie, and others.