H16.402

Clinical Causes: Chronic hypoxia (lack of oxygen to the cornea), often due to contact lens overuse or poor oxygen permeability Corneal infections, such as bacterial, viral, or fungal infections Inflammatory eye conditions, including uveitis or keratitis Trauma or injury to the eye, leading to compromised corneal health Previous eye surgeries or procedures that disturb corneal integrity Autoimmune conditions that affect the eye Exposure to environmental irritants or pollutants

Key Symptoms: Decreased or blurred vision Redness and inflammation of the eye Tearing or watery eyes Sensations of foreign body or irritation Light sensitivity (photophobia) Discomfort or mild pain in the eye Appearance of blood vessels growing into the corneal area

Diagnosis Path: Diagnosis typically involves a comprehensive eye examination by an eye care professional. The examination includes slit-lamp biomicroscopy to visualize the corneal surface and detect abnormal blood vessel growth. Additional tests may include corneal staining and imaging techniques like anterior segment optical coherence tomography (OCT) to assess the extent of neovascularization and underlying corneal health. Identifying the cause behind the neovascularization is important for guiding effective management.

Treatment Protocols: Management of corneal neovascularization focuses on stopping the abnormal vessel growth and preserving or restoring vision. Treatment options may include: - **Medication:** Use of corticosteroid eye drops to reduce inflammation; anti-vascular endothelial growth factor (anti-VEGF) agents may sometimes be administered to inhibit new blood vessel growth. - **Laser therapy:** Laser treatments such as argon laser photocoagulation can be employed to target and destroy abnormal vessels. - **Surgical procedures:** In severe cases, procedures like corneal transplantation may be necessary if the neovascularization causes significant damage or vision loss. - **Addressing underlying causes:** Managing contributing factors like infections, inflammation, or hypoxia is crucial to prevent recurrence. Regular follow-up with an eye specialist is essential to monitor the condition and adjust treatment as needed.