What is acute keratitis?

With the rapid development of modern society, certain populations are required to stare at electronic devices—such as smartphones and computers—for prolonged periods, which may lead to ocular disorders. If eye disease occurs, it can significantly impair patients’ daily life and work performance. What is acute keratitis?

What Is Acute Keratitis?

Acute keratitis is an inflammatory condition affecting the cornea. Based on the causative agent, acute keratitis can be classified into bacterial keratitis, viral keratitis, fungal keratitis, and other types. Treatment typically involves antibiotics, and topical ophthalmic solutions may also be used to alleviate symptoms. After diagnosis, patients should practice proper eye hygiene: avoid excessive use of electronic devices and refrain from rubbing their eyes with unwashed hands, as these actions may exacerbate the condition.

The cornea is the transparent, circular, anterior portion of the eyeball—the part commonly perceived as the “black” of the eye. It contributes significantly to the eye’s refractive power and serves as a protective barrier against external pathogens. Keratitis develops when the cornea’s defensive capacity is compromised, allowing exogenous or endogenous pathogenic factors to invade and trigger inflammation within the corneal tissue. Keratitis has diverse etiologies, ranging from infectious agents to immune-mediated, nutritional, neurotrophic, or exposure-related causes. Accordingly, treatment strategies vary depending on the underlying cause.

Targeted therapy is then initiated. In general, acute keratitis is most commonly caused by bacterial infection. Because bacterial keratitis typically presents abruptly and with rapid onset, many people refer to it simply as “acute keratitis.” We hope this explanation proves helpful!