Cloudy Eye in Dogs

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Cloudy Eye in Dogs

By: Dr. Noelle McNabb

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Section: Causes

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Numerous changes in the cornea of the eye may result in cloudiness, including:

Corneal ulceration or infection from bacteria, fungi or yeast

Corneal scarring from eyelash disorders; inrolling of the eyelids; exposure of the cornea to foreign bodies, drying, heat, smoke, chemicals; eye injury or trauma; inability to blink properly and protect the eye; decreased sensation on the surface of the cornea and resulting poor protection of the cornea; prior corneal surgery

Corneal inflammation from inadequate tear production (keratoconjunctivitis sicca; dry eye syndrome), pannus, etc.

Corneal lipid deposition that may be inherited (breed-related) or acquired as a result of chronic corneal disease, high fat/cholesterol levels in the body, or chronic hypothyroidism (low thyroid hormone levels)

Corneal mineralization (calcium deposits) from chronic corneal dis

ease or associated with chronic kidney disease or certain hormonal diseases, ulceration or metabolic disease

Invasion of the cornea with tumor cells (rare)

Invasion of the cornea with dark, pigmented cells secondary to dryness, exposure or inflammation

Development of corneal edema associated with age or with premature degeneration of the cornea, from glaucoma, in association with inflammation of the interior of the eye, secondary to prior surgery of the cornea, etc.

Numerous changes in the front chamber and fluid of the eye may cause visible cloudiness:

Cloudiness of the fluid in the front chamber from inflammation (uveitis), hemorrhage, trauma, or leakage of fatty material into the eye (from the blood stream)

Movement of the lens into the front chamber, particularly if the lens has developed an opaque cataract or is causing corneal edema

Collapse of the chamber with movement of the iris towards the front of the eye (secondary to penetrating trauma, lens movement, glaucoma, etc.)

Growth of tumor from the iris into the front chamber

Changes of the lens that cause cloudiness in the eye include:

Cataract formation

Nuclear sclerosis. This is an age-related lens hardening resulting in an 'opalescent' color change to the lens

Congenital defects in the blood vessels around the lens

Changes of the vitreous that may cause obvious clouding of the eye include:

Congenital defects of the front portion of the vitreous

Vitreal opacities (floaters) that accumulate with inflammation around or within vitreous

Hemorrhage in to the vitreous

Detachment and forward movement of an opaque retina into the front of the vitreous

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1 Blindness in Dogs
Blindness is the loss of vision in both eyes and may be caused by disorders of the structures that receive and process the image or specific visual pathways of the brain that transmit and further process...
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2 Cataracts in Dogs
A cataract is a structural change in the lens that leads to a cloudy appearance. As the cataract ages, the dog slowly loses vision. For certain dogs, cataract surgery can vastly improve vision.
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3 Corneal Ulceration in Dogs
Corneal epithelium is constantly being lost and replaced, and its health and thickness depend on a delicate balance between cell loss and regeneration. Corneal ulcers represent either excessive loss or...
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4 Anterior Uveitis in Dogs
Anterior uveitis is inflammation that affects the front part of the eye. The iris, which is the colored portion of the eye, is typically involved, and common causes include immmune diseases, infections...
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5 Conjunctivitis in Dogs
Conjunctivitis is an inflammation of the conjunctiva, which is the inner lining of the eyelids and extends from the tear duct to the outer edge of the eye. It is a common eye problem in cats and usually...
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6 Corneal Degeneration in Dogs
Corneal degeneration is a secondary, pathologic change within the cornea with dense white, grayish-white, or crystalline, and sharp demarcated borders. Corneal degeneration is more common in dogs than...
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1Anterior Uveitis in Dogs
Anterior uveitis is inflammation that affects the front part of the eye. The iris, which is the colored portion of the eye, is typically involved, and common causes include immmune diseases, infections...
Read More
2Blindness in Dogs
Blindness is the loss of vision in both eyes and may be caused by disorders of the structures that receive and process the image or specific visual pathways of the brain that transmit and further process...
Read More
3Cataracts in Dogs
A cataract is a structural change in the lens that leads to a cloudy appearance. As the cataract ages, the dog slowly loses vision. For certain dogs, cataract surgery can vastly improve vision.
Read More
4Conjunctivitis in Dogs
Conjunctivitis is an inflammation of the conjunctiva, which is the inner lining of the eyelids and extends from the tear duct to the outer edge of the eye. It is a common eye problem in cats and usually...
Read More
5Corneal Degeneration in Dogs
Corneal degeneration is a secondary, pathologic change within the cornea with dense white, grayish-white, or crystalline, and sharp demarcated borders. Corneal degeneration is more common in dogs than...
Read More
6Corneal Ulceration in Dogs
Corneal epithelium is constantly being lost and replaced, and its health and thickness depend on a delicate balance between cell loss and regeneration. Corneal ulcers represent either excessive loss or...
Read More

Cloudy Eye in Dogs

Cloudy Eye in Dogs

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