Patients with<unk>  may remain asymptomatic or experience mild symptoms. Symptoms of<unk>  often go unnoticed and is usually found and diagnosed during routine eye examinations. This slowly progressive disorder is characterized by microcysts that are filled with debris in the epithelium of the cornea detected and clinically diagnosed with slit-lamp biomicroscopy and retroillumination. Under electron microscopy, there are an abnormal aggregation of keratin filament bundles in the center of the cornea. It was found to not affect the corneal stromal layer or endothelial cell layer. Signs of this disease appear in the early first few years of life and begin as eye irritation. Under magnification, corneal changes consisting of punctate opacities in the epithelium are found. Occasionally, these are found in the Bowman membrane. Patients diagnosed with<unk>  are unable to tolerate the use of contact lenses which irritate the corneal epithelium. Light microscopy and electron microscopy found that the basement membrane is thickened with an intracytoplasmic substance. Under slit-lamp photography, the cornea was found to be uneven due to the damage and scarring from the thickening basement membrane and anterior stroma. The buildup of foreign materials may cause vision blurriness or cloudiness.
Meesmann corneal dystrophy
Lisch epithelial corneal dystrophy
Schnyder crystalline corneal dystrophy
Lattice corneal dystrophy
Reis–Bucklers corneal dystrophy
Subepithelial mucinous corneal dystrophy
Granular corneal dystrophy
Fleck corneal dystrophy