Other Eye Problems

Article

Equine Glaucoma

November 01, 2002

The glaucomas are a group of diseases resulting from alterations in the formation and drainage of aqueous humor (clear eye fluid), which causes an increase in intraocular (within the eye) pressure (IOP) above that compatible with normal function... Read More

Article

Understanding Equine Recurrent Uveitis (ERU)

October 01, 2002

Horses exhibit eye pain for a variety of reasons and to varying degrees. As we've discussed previously, the most common cause is corneal ulceration. In this article, we'll discuss uveitis, which requires a very different kind of treatment than... Read More

Article

Cataracts and Lens Problems

September 01, 2002

Everyone has heard of cataracts. We think of them as affecting older humans, and sometimes they are found in children and young adults. Yet, cataracts also are seen in horses. A cataract is an opacity or clouding of the lens (a large transparent... Read More

Article

The Dreaded Corneal Stromal Abscess

August 01, 2002

The corneal stromal abscess is a very serious and potentially vision-threatening condition that can follow apparently minor corneal ulceration in the horse (see Figures 1 and 4 on page 56). They can be infected and cause severe eye pain.... Read More

Article

Eye Removal

August 01, 2002

Q: I was just informed that my 2-year-old Quarter Horse needs to have his right eye removed. He is a rescue that I received through the court, and when I got him he was blind in his right eye. My veterinarian says that it looks... Read More

Article

Corneal Disease

July 01, 2002

Corneal diseases are collectively termed keratopathies. Keratopathies can be ulcerated or non-ulcerated, and infected or non-infected. Keratopathies can be rather benign diseases, or can be so severe that they result in corneal scarring and... Read More

Article

Fungal Ulcers in the Equine Eye

June 01, 2002

Fungi are microscopic plants that lack chlorophyll; they are commonly found in the hay, grasses, shavings, straw, and dust of a horse's environment. They normally live in balance with bacteria on the surface of the horse cornea and conjunctiva.... Read More

Article

Bacterial Corneal Ulcers

May 01, 2002

The cornea is a thin and transparent, yet extremely strong tissue that supplies a majority of the eye's refractive, or light-bending, power. It is one of the most sensitive tissues in the body. The thickness of the equine cornea is about 1.5 mm,... Read More

Article

Eyelid Problems

April 01, 2002

This month we continue our in-depth look at the equine eye by focusing on eyelids. Without the eyelid to protect the sensitive structures of the eye, the horse would go blind very quickly. Therefore, even small injuries are important and require... Read More

Article

Common Foal Eye Problems

March 01, 2002

The foal's eyes are fully developed at birth. Disorders of the foal eye might be noted at birth, or they can be inherited or acquired after birth. Low tear film production, a round pupil, reduced corneal sensation, and a temporary lack of some... Read More

Article

Color Vision In the Horse

February 13, 2002

Understanding how the horse sees the world can give horse owners an appreciation of their animals' behavior. In addition to their reduced color perception (which makes certain color cues relatively useless), horses also have slightly poorer visual... Read More

Article

Surgical Techniques (AAEP Convention 2001)

February 01, 2002

Surgery topics at the 2001 AAEP Convention helped the practitioner learn new techniques ... Read More

Article

Look Into His Eyes

February 01, 2002

It is important to approach each eye problem in the horse in an ordered and systematic manner, and also as a medical emergency. Painful eye conditions in horses need thorough evaluation for corneal ulcers, corneal abscesses, and uveal... Read More

Article

Moon Blindness Attacks

January 01, 2002

 Q. Is there any food, treat, or climate that causes moon blindness flare-ups? My horse recently had one, and I want to prevent any more if possible. I already use a fly mask for "sunglasses." Paige

A. Unfortunately, we... Read More

Article

Glaucoma in Foals

November 10, 2001

I am looking for information on glaucoma in foals. Any information will be helpful. ... Read More

Article

Mysterious Eye Inflammation Traced to Plant Burrs

October 15, 2001

Fall and winter sometimes bring unexplained eye problems in horses and cattle, with irritation and inflammation, or corneal ulcers. Some of the horses examined at these college clinics over the past several years had microscopic barbed "slivers"... Read More

Article

The Equine Eye

October 15, 2001

Because it is a prey animal, the horse has both monocular and binocular vision. Its monocular vision is the result of having one eye located on each side of the skull instead of both eyes in the front. This means that the horse has far greater periph... Read More

Article

Problems With Blue Eyes?

October 12, 2001

Q: I'm looking at a Quarter Horse cross who is about 12 years old and appears to be perfectly healthy. My only concern is that he has two blue eyes. I have not had a pre-purchase vet exam done yet due to the vet's busy schedule,... Read More

Article

Equine Corneal Problems: Wait and See Will Not Work

August 01, 2001

A corneal ulcer (ulcerative keratitis) is the most serious eye disease that veterinarians treat. Defined as a lesion in which the outer layer and some of the middle layer of the cornea have been lost, even simple ulcers can quickly progress to... Read More

Article

Eye Problems In Horses; Link To Foal Loss Unknown

May 18, 2001

Dr. Claire Latimer is a specialist in veterinary ophthalmology, the study of animal eyes. Since May 1, she has seen a surprising increase of eye problems in horses in Central Kentucky that fall into two distinct groups. She said the first syndrome... Read More

Article

Problems with Cataracts?

January 01, 2001

Q: I am thinking of buying a 6-year-old mare that has cataracts in both of her eyes. What kind of problems would I be in for if I decide to buy this sweetheart?

via e-mail Read More

Article

Uveitis Research Pinpoints Leptospira interrogans

January 01, 2001

A recent study published in the Journal of the American Veterinary Medical Association provides evidence that persistent ocular (eye) infection with the bacterium Leptospira interrogans is much more common in horses with recurrent... Read More

Article

AAEP Convention Topics Preview: General Medicine

January 01, 2001

The latest information on scores of topics is presented at the AAEP convention; we can't report on them all, but we do try to bring you a representative sampling. This year, many of the topics can be grouped into five categories: fighting... Read More

Article

Common Problems and Their Signs

April 01, 2000

The ability to recognize abnormalities depends greatly on a person's knowledge of what is normal. The greater someone's knowledge of normal anatomy, physiology, behavior, and environment of a given animal, the more likely that person is to... Read More

Article

Periodic Ophthalmia (Moon Blindness)

July 01, 1998

Periodic ophthalmia, otherwise known as recurrent uveitis, uveitis, or moon blindness, can be a devastating disease of the equine eye. It also, unfortunately, is a disease that we really don't know much about. The hypothetical... Read More