Marginal keratitis refers to a condition characterized by inflammation of the cornea's marginal region. Although it can cause discomfort and visual disturbances, identifying alternative terms for this condition can provide a broader understanding. One synonym for marginal keratitis is "peripheral keratitis", highlighting the involvement of the cornea's outer edge. Another synonym is "limbal keratitis", emphasizing the inflammation occurring around the cornea's limbus. Additionally, "marginal ulcerative keratitis" is commonly used to describe the condition when it leads to corneal ulcers. Knowledge of these synonyms expands medical discussions, facilitates communication, and enhances comprehension of the various aspects of marginal keratitis.