H17.13

Clinical Causes: Corneal infections, such as microbial keratitis caused by bacteria, viruses, fungi, or parasites. Corneal degenerations or dystrophies, which are inherited or acquired abnormalities leading to abnormal deposits or scarring. Trauma or injury to the eye that causes scars or opacities. Chemical burns or prolonged exposure to harmful substances. Post-surgical complications, including scarring after procedures like cataract surgery or corneal transplants. Persistent inflammation or uveitis affecting the cornea. Certain systemic diseases, such as rheumatoid arthritis, which can involve corneal layers.

Key Symptoms: Blurred or dim vision in both eyes Light sensitivity or glare, particularly noticeable in bright conditions Difficulty seeing fine details clearly Possible appearance of a cloudy, whitish or grayish area in the center of the cornea For some individuals, the presence of a visible scar or opacity on the corneal surface

Diagnosis Path: Diagnosis involves a comprehensive eye examination by an eye care professional, including slit-lamp microscopy that allows detailed visualization of the cornea. Additional tests such as corneal topography or optical coherence tomography (OCT) may be used to assess the extent and depth of the opacity. Medical history review and thorough assessment help identify underlying causes, guiding management options.

Treatment Protocols: Treatment options depend on the severity and cause of the corneal opacity. Approaches may include: - *Medical therapy:* Use of medications like anti-inflammatory eye drops or antibiotics to treat underlying infections or inflammation. - *Protective measures:* Wearing sunglasses to reduce glare or using lubricating eye drops to soothe dry eyes. - *Surgical procedures:* Corneal transplantation (keratoplasty) may be considered to replace the opaque corneal tissue with healthy donor tissue, especially if the opacity significantly impairs vision. - *Emerging therapies:* Techniques such as corneal collagen cross-linking or specialized laser treatments are under research for specific cases. Early detection and consultation with an eye specialist are essential for optimal management and visual preservation.