Uveitis
| Location | Structures | Possible etiology |
|---|---|---|
| Anterior uveitis | Iris, ciliary body, anterior chamber | Sarcoidosis, ankylosing spondylitis, inflammatory bowel disease, Lyme disease, syphilis |
| Intermediate uveitis | Vitreous, peripheral retina | Tuberculosis, multiple sclerosis, sarcoidosis, inflammatory bowel disease, Lyme disease, syphilis |
| Posterior uveitis | Retina, choroid | Toxoplasmosis, tuberculosis, herpes simplex virus, varicella zoster virus, Lyme disease, syphilis |
| Panuveitis | All of the above | Sarcoidosis, sympathetic ophthalmia, ocular or hematologic neoplasm, tuberculosis, Behcet disease, Lyme disease, syphilis |