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 東京都文京区のやまだ動物病院 犬・猫の診療を行っています。 文京区 千駄木駅徒歩2分。日暮里・西日暮里徒歩10分。根津駅徒歩15分。
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やまだ動物病院
〒113-0022
文京区千駄木3-31-9-104
03-3824-3903

千駄木駅 徒歩2分
膿皮症・ニキビダニ・アカラス・毛包虫・アレルギー・皮膚病・膿皮症・膿皮症文京区・台東区・荒川区・北区・根津・上野桜木・谷中・向丘・湯島・白山・本駒込・道灌山・東日暮里・千駄木・川口市・松戸市・市川市・豊島区・練馬区・品川区
 Corneal Ulcer

皮膚、赤み、痒い、かさぶた、文京区、千駄木、根津、谷中、西日暮里、皮膚専門、評判

谷中銀座、日本医科大、湯島天神、駒込学園、団子坂、犬、

文京区、台東区、荒川区、北区、千代田区、湯島、お茶の水、上野桜木、神田、有名、治る



    

One of the classical eye problems veterinarians must address is THE RED EYE. The red eye may or may not be obviously painful but when it is, the pet can be observed squinting or even rubbing at his face.

The conjunctiva (the pink moist tissue lining the inner surfaces of the eyelids) becomes an angry red and can even swell or puff up around the eye (a condition called chemosis). In short, it is clear when the eye suddenly hurts and that veterinary attention is needed.

The Corneal Erosion

There are several causes of acutely red and painful eyes and one of the most common causes is a wound or scrape to the surface of the eye. The clear surface of the eye is called the cornea and because it is the outermost layer of the eye, it is prone to scrapes and tears. Common causes of corneal erosions include:

  • Rough contact with plants, thorns, or bushes
  • Scratches from another animal (note: the cat scratch wound can be especially serious as the wound quickly heals over, sealing infection within the eye.)
  • Self trauma (rubbing or scratching at a painful ear or even at the eye due to some other eye problem can lead to an inadvertent scratch to the eye.)
  • Chemical irritation (such as getting shampoo in the eye during a bath.)
  • Foreign body injury (plant material can get stuck under an eyelid and can scrape the cornea.)

A fluorescent stain is used to confirm if there is an ulcer or erosion. Normally, water will run smoothly off the surface of the cornea, like rain washing off a windshield. If the cornea is damaged, the stain will stick to the damaged area and look bright green under a fluorescent lamp.

Treatment

A routine corneal ulcer or erosion should heal easily. Since the damaged cornea is at risk for becoming infected (or may even already be infected, as demonstrated by a purulent discharge), a topical antibiotic is needed and ideally should be used four times a day or more. Since it is a rare pet owner that can accommodate any medication administration four times a day, we usually have to make do with three times a day but to properly sterilize the eye surface, the antibiotic should be used four times a day. Either drops or ointment can be used, depending on the owner’s preference.

Atropine Sulfate

The second part of treatment is pain relief: Atropine 1% drops or ointment. The atropine acts by temporarily paralyzing the pupil’s ability to contstrict (the main source of pain is spasm in the pupil). Pupillary dilation is expected when this medication is used and the pet may be reluctant to experience bright sunlight while under the influence of this medication. Because the tear duct system is connected to the nose and mouth, the patient will also taste the above medications and atropine is famous for its bitter taste. Dogs do not seem to mind this unduly but cats will drool shortly after the medication is given in an effort to get the taste out of their mouths. This is a normal reaction to the Atropine as is a dilated pupil.

A collar called an Elizabethan collar may be needed to prevent self-trauma of the eye. If you think your pet will rub the eye, it is important to have the pet wear this collar until the erosion is healed. Be sure to request one if you think your pet needs it, and if you are given one be sure the pet wears it for the entire course of treatment.

Re-Check in One Week

It is important that the eye be stained again after one week of therapy. Most ulcers will have healed in this time but some will require an additional week. If the ulcer has not healed after two weeks, it is no longer considered routine and some other procedures, and possibly a veterinary ophthalmologist, may be required. If the inflammation associated with the ulcer goes deeper into the eye, the situation becomes more serious; it is important not to skip one week re-check. If there is any question about the eye’s healing progress, the eye should be re-checked sooner.

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