Cloudy cornea Definition
A cloudy cornea is a loss of transparency of the cornea.
Corneal opacification; Corneal edema
The cornea makes up the front wall of the eye. It is normally clear. It helps focus the light entering the eye.
Causes of cloudy cornea include:
Clouding may affect all or part of the cornea. It leads to different amounts of Inflammation
Sensitivity to non-infectious bacteria
Ulcers on the eye
Swelling due to glaucoma, birth injury, or Fuchs' dystrophy
Dryness of the eye due to Sjogren syndrome, vitamin A deficiency, and sometimes after LASIK eye surgery
Dystrophy (inherited metabolic disease)
Injury to the eye, including chemical burns and welding injury
Scarring vision loss. You may not have any symptoms in the early stages. Home Care
Consult your health care provider. There is no appropriate home care.
When to Contact a Medical Professional
Contact your health care provider if:
The outer surface of the eye appears cloudy
You have trouble with your vision
Note: It is appropriate to see an ophthalmologist for vision or eye problems. However, your primary health care provider may also be involved if a whole-body (systemic) disease is suspected.
What to Expect at Your Office Visit
Your doctor or nurse will examine your eyes and ask questions about your symptoms and medical history, such as:
Did the cornea become cloudy quickly, or did it develop slowly?
When did you first notice this?
Does it affect both eyes?
Is there any history of injury to the eye?
Do you wear contacts?
Do you have any trouble with your vision?
If so, what type (blurring, reduced vision, or other) and how much?
Tests may include:
Biopsy of lid tissue
Computer mapping of the cornea (corneal topography)
Schirmer's test for eye dryness
Special photographs to measure the cells of the cornea
Standard eye exam
Ultrasound to measure corneal thickness References
Abbott RL, Halfpenny CP, Zegans M, Elander TR. Acanthamoeba Keratits. In: Tasman W, Jaeger EA, eds. Duane's Ophthalmology. 2012 ed. Philadelphia, PA:
Lippincott Williams & Wilkins; 2012:vol 4;chap 18A.
Yanoff M, Cameron D. Diseases of the visual system. In: Goldman L, Schafer AI, eds.
Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 431.
Sharma R, Brunette DD. Ophthalmology. In: Marx JA, ed.
Rosen’s Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, PA: Mosby Elsevier; 2009:chap 69.
Newlin AC, Wadia H, Sugar J. Corneal and external eye manifestations of systemic disease. In: Yanoff M, Duker JS, eds.
Ophthalmology. 3rd ed. St. Louis, MO: Mosby Elsevier; 2008:chap 4.25.
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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