Subconjuntival hemorrhage ![Subconjunctival Hemorrhage](https://ddxof.com/wp-content/uploads/2015/05/redeye_0000_subconjunctival_hemorrhage.png) | Associated with trauma, coagulopathy, hypertension. | Unilateral, sharply circumscribed | Unaffected | None | Unaffected | Clear |
Blepharitis ![Blepharitis](https://ddxof.com/wp-content/uploads/2015/05/redeye_0001_blepharitis.png) | Acute/chronic inflammation of eyelid. | Diffuse | Unaffected | Foreign body sensation | Unaffected | Clear |
Epislceritis ![Episcleritis](https://ddxof.com/wp-content/uploads/2015/05/redeye_0002_episcleritis.png) | Recurrent, self-limited episodes, possible autoimmune association. | Engorged, radially-oriented vessels | Unaffected | Mild | Unaffected | Clear |
Scleritis ![Scleritis](https://ddxof.com/wp-content/uploads/2015/05/redeye_0003_scleritis.png) | Vascular or connective tissue disease. | Focal or diffuse, pink sclera | Unaffected | Moderate | Reduced | Clear |
Acute angle-closure glaucoma ![Acute Angle-Closure Glaucoma](https://ddxof.com/wp-content/uploads/2015/05/redeye_0004_glaucoma.png) | Mydriasis leading to decreased outflow of aqueous humor. | Circumcorneal injection | Semi-dilated | Severe | Reduced | Hazy |
Acute anterior uveitis ![Uveitis](https://ddxof.com/wp-content/uploads/2015/05/redeye_0005_uveitis.png) | Inflammation of iris or ciliary body. | Circumcorneal injection | Constricted | Moderate | Reduced | Hazy |
Keratitis ![Keratitis](https://ddxof.com/wp-content/uploads/2015/05/redeye_0006_keratitis.png) | Inflammation of corneal epithelium. Caused by infection, contact lenses, UV exposure. | Multiple punctate erosions, stain with fluorescein | Unaffected | Moderate | Reduced | Hazy |