Ciliary flush involves circumcorneal congestion and congestion of ciliary vessels immediately surrounding the cornea; individual vessels are not seen; color is violaceous; redness fades toward the fornices; and vessels do not move with conjunctiva.

1. Corneal disease, such as with inflammations and erosions
2. Glaucoma, especially acute glaucoma
3. Iridocyclitis
4. Iris irritation, such as with corneal foreign bodies
5. Iritis

Vaughan D, et al. General ophthalmology, 14th ed. Los Altos, CA: Lange Medical, 1995.