H15-H22: Disorders of sclera, cornea, iris and ciliary body

H19: Disorders of sclera and cornea in diseases classified elsewhere

The group of conditions classified under 'Disorders of sclera and cornea in diseases classified elsewhere' refers to abnormalities or pathologies affecting the white outer layer (sclera) and the clear, front part (cornea) of the eye that are associated with or occur as a complication of other medical conditions. These disorders can be caused by a variety of diseases, such as autoimmune disorders, infectious diseases, degenerative conditions, or metabolic disorders. Common symptoms usually involve visual issues, such as blurriness, sensitivity to light or decreased vision, but can also include eye redness, pain, or inflammation. Progression of these disorders could lead to serious complications, such as vision impairment or loss if left untreated. This group of conditions generally affects the ocular system but can also indicate systemic issues, since they are linked to diseases occurring in other parts of the body.