Corneal infection is a medical condition that affects the cornea or the outermost layer of the eye. It can be caused by bacteria, viruses or fungi and ranges in severity from mild irritation to blindness. The spelling of "corneal infection" is pronounced as /ˈkɔːniəl ɪnˈfɛkʃən/. The /ˈkɔːniəl/ refers to the cornea and /ɪnˈfɛkʃən/ refers to infection. Early diagnosis and proper treatment is essential in avoiding serious complications. Therefore, it's important to seek medical attention if you suspect that you may have a corneal infection.
Corneal infection, also known as corneal microbial keratitis, is a medical condition characterized by the invasion and colonization of microorganisms on the cornea, the transparent, dome-shaped layer that covers the front of the eye. It is caused by the introduction of bacteria, viruses, fungi, or parasites through trauma to the cornea, contact lens wear, or compromised ocular surface.
Corneal infections can lead to significant visual impairment and, if left untreated, may even result in permanent vision loss or require surgical intervention. Symptoms of corneal infection often include pain, redness, light sensitivity, excessive tearing, blurred vision, and the feeling of a foreign body in the eye.
Diagnosis of corneal infection involves a detailed examination of the affected eye by an ophthalmologist, who may conduct tests like corneal scraping or culture to identify the type of microorganism causing the infection. Treatment usually consists of intensive antibiotic or antifungal therapy to eliminate the infection. Depending on the severity, medications may be administered topically or orally.
Prevention of corneal infections involves practicing good hygiene, especially when handling contact lenses, such as proper cleaning, disinfection, and replacing lenses as recommended. Avoiding eye trauma and maintaining a healthy ocular surface are also essential in reducing the risk of corneal infections.
In summary, a corneal infection is a serious ocular condition resulting from the invasion of microorganisms on the cornea, requiring prompt and appropriate treatment to prevent visual complications and potential irreversible damage.
The word "corneal" relates to the cornea, which is the transparent front part of the eye. The term "corneal" is derived from the Latin word "cornea", meaning "horny, hard". This is because the cornea has a tough, transparent, and protective outer layer resembling a horn.
The word "infection" comes from the Latin word "infectio", which means "infestation" or "pollution". It refers to the invasion and multiplication of harmful microorganisms, such as bacteria or viruses, in a body part or tissue.
Therefore, the term "corneal infection" combines the word "corneal" related to the cornea of the eye and "infection" referring to the invasion of harmful microorganisms in the cornea.