Macular is an adjective used to describe something that pertains to the macula, which is located in the center of the retina and responsible for central vision. Some synonyms for the word macular are central, focal, and retinal. Another term commonly used is "macular degeneration," which refers to a disease that affects the macula and can lead to progressive vision loss. Synonyms for macular degeneration could include retinal degeneration, central vision loss, and focal visual impairment. These terms are often used in medical contexts, particularly in ophthalmology, and are important for both healthcare professionals and patients to understand.