H16.3

Clinical Causes: Infections: Bacterial, viral (such as herpes simplex), fungal, or parasitic infections can lead to deep corneal inflammation. Autoimmune Disorders: Conditions like rheumatoid arthritis or granulomatosis with polyangiitis can cause immune system attacks on the cornea. Injury or Trauma: Significant eye injuries or surgeries may predispose individuals to developing keratitis. Contact Lens Use: Improper use or hygiene associated with contact lenses can increase infection risks. Corneal Ulcers: Open sores or ulcers on the cornea may progress to deeper inflammation if untreated. Inflammatory Diseases: Certain inflammatory conditions can extend to the corneal layers, leading to keratitis.

Key Symptoms: Eye redness and swelling Severe eye pain or discomfort Blurred or decreased vision Sensitivity to light (photophobia) Tearing or discharge from the eye Feeling of a foreign body in the eye Reduced corneal clarity or opacity Dark or cloudy area on the cornea

Diagnosis Path: Diagnosing interstitial and deep keratitis involves a comprehensive eye examination by an ophthalmologist. This includes slit-lamp microscopy to visualize the corneal layers and identify inflammation. Additional tests may include corneal cultures if an infection is suspected, and imaging studies such as anterior segment optical coherence tomography (AS-OCT) to assess the depth and extent of the tissue affected. A detailed patient history of symptoms, recent eye injuries, or contact lens use is also valuable in guiding diagnosis.

Treatment Protocols: Management of interstitial and deep keratitis focuses on addressing the underlying cause and reducing inflammation. Treatment options may include: - Antibiotic, antiviral, or antifungal medications if an infectious cause is identified. - Corticosteroid eye drops or ointments to control inflammation, prescribed under careful medical supervision. - Pain relief measures such as topical anesthetics or analgesics. - Treatment of underlying autoimmune conditions with immunosuppressive drugs. - Supportive therapies like ocular lubricants to soothe the eye. - In severe cases, surgical procedures like corneal transplantation might be necessary to restore vision. Regular follow-up with an eye specialist is crucial to monitor progress and adjust treatment as needed. Early intervention can help minimize damage and improve outcomes.