H21.3

Clinical Causes: Congenital factors, where cysts are present from birth Inflammation or injury to the eye leading to cyst formation Blockage of normal fluid pathways within the eye Development of epithelial or other tissue proliferation within the eye structures Genetic predispositions to abnormal tissue growth

Key Symptoms: Visible or palpable cysts in the iris, ciliary body, or anterior chamber Blurred or reduced vision in some cases Eye redness or irritation Sensitivity to light (photophobia) Feeling of a foreign body in the eye Intermittent or persistent eye discomfort

Diagnosis Path: Diagnosis often involves a comprehensive eye examination, which may include the following procedures: - **Slit-lamp examination**: A detailed microscope analysis of the front part of the eye to observe cysts and surrounding structures. - **Ultrasound biomicroscopy**: High-frequency ultrasound imaging to assess the size, location, and characteristics of the cysts. - **Gonioscopy**: A special lens used to examine the anterior chamber angle and ciliary body. - **Fundus examination**: To rule out any posterior segment involvement. Additional tests may include imaging studies and, occasionally, biopsy if the cyst's nature is uncertain.

Treatment Protocols: The management of iris, ciliary body, and anterior chamber cysts depends on their size, location, symptoms, and impact on vision. Some cysts may not require treatment if they are asymptomatic and not growing. When intervention is needed, options may include: - **Observation**: Regular monitoring to track cyst size and symptom progression. - **Medical therapy**: Use of topical or systemic medications to reduce inflammation or control associated symptoms. - **Laser treatment**: Techniques such as laser photocoagulation or laser aspiration to reduce cyst size or remove small cysts. - **Surgical excision**: In cases where cysts are large, persistent, or causing significant visual disturbances, surgical removal may be necessary. - **Extraction or drainage procedures**: To alleviate symptoms or prevent further complication. It is essential to consult an eye care professional for personalized assessment and treatment planning.