Circumcorneal congestion is seen in all of the following conditions, EXCEPT:
Circumcorneal congestion is seen in diseases of the inner eye, corneal and scleral inflammation. Moraxella infection: It causes chronic angular conjunctivitis characterized by mild grade inflammation confined to the conjunctiva and lid margins near the angles. Diy-white foamy mucopurulent discharge at the angles is also present. Must know: Differences between conjunctival and ciliary congestion: Conjunctival congestion Ciliary congestion Site More marked in the fornices More marked around the limbus Colour Bright red Purple or dull red Arrangement of vessels Superficial and branching Deep and radiating from limbus On moving conjunctiva Congested vessels also move Congested vessels do not move On mechanically squeezing out the blood vessels Vessels fill slowly from fornix towards limbus Vessels fill rapidly from limbus towards fornices Blanching, i.e on putting one drop of 1 in 10000 adrenaline Vessels immediately blanch Do not blanch Common causes Acute conjunctivitis Acute iridocyclitis, keratitis (corneal ulcer) Ref: Ophthalmology By A. K. Khurana, 3rd edition, Page 88, 18.
Anterior uveitis
Ac. congestive glaucoma
Steven Johnson syndrome
Moraxella infection