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Iridocyclitis

Iridocyclitis, a type of anterior uveitis, is a condition in which the uvea of the eye suffers inflammation. more...

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Symptoms

Symptoms include:

  • photophobia
  • redness
  • watering of the eyes
  • lacrimation
  • miosis, constriction of the pupil
  • blurred vision

Causes

Iridocyclitis is usually caused by direct exposure of the eyes to chemicals, particularly lacrimators.

Types

There are six classifications of iridocyclitis.

Acute or Chronic

  • Acute: sudden symptomatic onset, lasting no more than six weeks.
  • Chronic: Persisting for more than six weeks, possibly asymptomatic. Chronic iridocyclitis is usually associated with systemic disorders including ankylosing spondylitis, Beh├žet's syndrome, inflammatory bowel disease, juvenile rheumatoid arthritis, Reiter's syndrome, sarcoidosis, syphilis, tuberculosis, and Lyme disease.

Exogenous or Endogenous

  • Exogenous: related to external damage to the uvea or invasion of external microbes.
  • Endogenous: related to internal microbes.

Granulomatous or Non-granulomatous

  • Granulomatous: accompanied by large keratotic precipitates.
  • Non-granulomatous: accompanied by smaller keratotic precipitates.

Treatment

It can be effectively treated with tropane alkaloids or steroids.

To immobilize the iris and decrease pain, one may find tropane alkaloids effective, particularly scopolamine and atropine in .25% and 1% concentrations respectively. Topical steroids may be used to decrease inflammation, particularly prednisolone and dexamethasone.

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Painful red eye after surgery
From American Family Physician, 7/1/04 by Alberto J. Morales

A patient presented to the emergency department with blurred vision, eye pain, and redness after corneal graft transplantation (Figure 1, note the radial black sutures). On physical examination, the patient had a pain-ful red eye and decreased visual acuity. Slit-lamp examination (Figure 1, thick arrows show vertical line of slit-lamp illumination) revealed an intense inflammatory reaction in the anterior chamber (Figure 1, thin arrow shows inflammatory cells reflecting light).

[FIGURE 1 OMITTED]

Question

Based on the patient's history and physical examination, which one of the following is the correct diagnosis?

[] A. Acute angle-closure glaucoma.

[] B. Bacterial conjunctivitis.

[] C. Episcleritis.

[] D. Endophthalmitis.

[] E. Anterior uveitis.

Discussion

The answer is D: endophthalmitis. Bacterial endophthal-mitis usually presents during the first week following intraocular surgery. (1,2) The eye becomes red and painful, and symptoms rapidly worsen. Corneal haziness and vitreous clouding may develop, obscuring the red reflex on fundus examination. The anterior chamber develops a massive cellular and fibrinous reaction, which can precipitate as a whitish hypopyon (Figure 2, thin arrows show top margin of hypopyon; thick arrow shows slit-lamp illumination). Vision is markedly reduced. Intense ciliary and conjunctival hyperemia occurs, and diffuse eye swelling may occur, including the eyelids. Endophthalmitis is an acute emergency necessitating an urgent referral for intraocular injection of antibiotics, occasionally combined with vitrectomy surgery. (3)

[FIGURE 2 OMITTED]

Acute angle-closure glaucoma also may present with acute onset of pain, redness, and blurred vision. It is more common in the elderly. Acute closure typically occurs spontaneously but may be triggered by pharmacologic pupil dilation. It can lead to complete vision loss within 24 hours and is an emergency, necessitating urgent treatment with pressure-lowering medications combined with an iridectomy laser procedure (creating a hole in the iris with laser). It does not commonly occur in the postoperative period.

Bacterial conjunctivitis is characterized by conjunctival injection and purulent or mucopurulent discharge. (4) Numerous microorganisms may induce bacterial conjunctivitis, so the course of the disease may vary from acute to chronic. Patients usually experience redness accompanied by discharge and stickiness of the eyelids, especially in the morning. Tearing and irritation may occur, but significant pain is uncommon. Conjunctivitis may be unilateral or bilateral.

Episcleritis is a descriptive term for any condition that causes inflammation of the episclera. Allergic causes are common and benign, but episcleritis also may be caused by more serious entities such as vasculitic diseases or systemic infections (e.g., syphilis or tuberculosis). Because the inflammation in episcleritis is limited to the outer layer of sclera, pain is not typical, and slit-lamp examination would not reveal any anterior chamber reaction.

Anterior uveitis, also referred to as iritis or iridocyclitis, is an inflammatory reaction affecting the anterior part of the eye. (1,2) Anterior uveitis presents as acute inflammation characterized by intense redness, pain, photophobia, and reduced vision. Symptoms may develop over a period of hours to days. Slit-lamp examination findings include conjunctival hyperemia and an intense cellular reaction in the anterior chamber, which may result in the accumulation of a hypopyon. Uveitis may manifest as part of a systemic inflammatory condition (e.g., ankylosing spondylitis, inflammatory bowel disease).

References

(1.) Duane TD, Tasman W, Jaeger EA. Duane's clinical ophthalmology on CD-ROM. 2004 ed. Philadelphia: Lippincott Williams & Wilkins, 2004.

(2.) Jakobiec FA, Albert DM. Principles and practice of ophthalmology. 2d ed. Philadelphia: Saunders, 2000:CD-ROM.

(3.) Results of the Endophthalmitis Vitrectomy Study. A randomized trial of immediate vitrectomy and of intravenous antibiotics for the treatment of postoperative bacterial endophthalmitis. Arch Ophthalmol 1995;113:1479-96.

(4.) Montzka D. The Wills Eye Hospital atlas of clinical ophthalmology CD-ROM. 2d ed. Philadelphia: Lippincott Williams & Wilkins, 2001.

The editors of AFP welcome submission of photographs and material for the Photo Quiz depart-ment. Contributing editor is Dan Stulberg, M.D. Send photograph and discus-sion to Genevieve Ressel, AFP Editorial, 11400 Tomahawk Creek Pkwy., Leawood, KS 66211-2672 (jressel@aafp.org).

See page 156 for discussion.

ALBERTO J. MORALES, M.D.

EYTAN Z. BLUMENTHAL, M.D.

Hadassah University Hospital Jerusalem, Israel 91120

COPYRIGHT 2004 American Academy of Family Physicians
COPYRIGHT 2004 Gale Group

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