hypopyon


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hypopyon

[hə′pō·pē‚än]
(medicine)
A collection of pus in the anterior chamber of the eye.
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Table 1 Examination of the anterior segment during postoperative review Structure Changes Possible cause Lids and lashes Blepharitis Conjunctiva Injection Infection Oedema Inflammation Reaction to eye drops Cornea Oedema Fluid postop (FED) Mechanical touch during surgery Epitheliopathy Reaction to drops Dry eye Surgical wound leakage Wound not sealed Anterior Cells and flare Inflammation chamber Hypopyon Chronic endophthalmitis (AC) Soft lens material Retained material IOL Haptic in the AC Postop movement of IOL Wrinkled or hazy posterior capsule Iris and pupil Atrophy or tears Mechanical damage (often if iris hooks required for small pupil)
Hypopyon is a feature of intense inflammation in which cells settle in the inferior part of the anterior chamber and form a horizontal level.
Manipulation in the anterior chamber in the form of drainage of hypopyon, removal of inflammatory membranes, pupilloplasty and cataract extraction or IOL explant was done as and when necessitated.
The inflammatory products like cytokines cause migration of inflammatory cells in anterior chamber resulting to severe reaction and development of hypopyon.
Behcet's disease, currently classified as a vasculitis, is a systemic inflammatory disorder first described in 1937 as a triple symptom complex of aphthae, genital ulcers, and hypopyon uveitis (6).
8%) had ocular lesions, including relapsing anterior and posterior uveitis such as optic neuritis, vitritis, retinal vasculitis, scleritis, keratitis conjunctivitis, iridocyclitis, and hypopyon.
A 51-year-old Caucasian male was admitted for a widespread poly-morphous skin eruption, with erythematous patches, wheals, and tense blisters, some of them half-filled with purulent fluid showing a hypopyon like-appearance, with a month's evolution (Fig.
The choroid and retina are the most common sites of leukemic involvement (3), and leukemic involvement in the iris, ciliary body, optic nerve, and conjunctiva, as well as leukemic hypopyon have also been reported (4), (5).
Respiratory signs (mixed dyspnea, respiratory sounds and sero- or mucosanguinolent nasal discharge), unilateral exophthalmos with hypopyon associated with corneal ulceration, blood accumulation in the sclera and swelling of the eyeball were the most frequent clinical signs.
The use of paracentesis in severe iritis with hypopyon has been described, especially when the sting has penetrated the anterior chamber (4).
In the slit-lamp examination of the right eye, the vitreous view is obscured by hypopyon and corneal haziness.
The side effects of various photoinitiators were reported in the pilot study of injectable IOLs, such as conjunctival injection, corneal opacity, anterior chamber reaction, and hypopyon (9).