Orphan eye diseases

Pinkeye
Pinkeye in lambs is caused by chlamydia and mycoplasma bacteria.
Pinkeye is contagious and infected lambs should be removed from the flock until they have recovered.
The infection may last a few days to several weeks.
Moderate to severe infections require antibiotics. Mild infections may clear up by themselves. The first sign of pinkeye infection is the reddening and swelling of the lining of the eye. There will be a discharge with tearing and matted eyes.The eyes will be sensitive to light and will tear up. The lamb may close its eyes when exposed to sunlight.The lamb suffers pain when infected with pinkeye. The eye may cloud over and develop a painful ulcer. The severe infections will cause the eyes to rupture and lead to blindness.
It cannot be transferred from lambs to humans. It is transmitted by flies, dust and other nasty things that are living in your lambing shed.
The best prevention of pinkeye is good clean husbandry of your stock.
General Eye Infection
The lamb may suffer a bacterial eye infection due to an irritant. If a foreign objects such as dust, stone or seed get lodged in the lambs eye it can lead to a bacterial infection. A discharge from the eye will be a sign of infection. Topical antibiotics may be required to clear the infection.
Entropian
This is when the lambs eyelid is turned in.
This problem is found in all breeds of sheep male and female.
Its most commonly found in the lower eyelid.
The cornea may be damaged which can lead to blindness.
This condition needs to be treated as soon as possible.
The lamb suffers pain with this condition.
The turned in eyelids lashes will irritate the eye causing ulcerations.
It is a congenital disease that is thought to be inherited but this fact has not been proven.
First sign of the problem is a weepy eye. The cornea may be cloudy
Topical antibiotics should be used to avoid infections.
A lamb with this problem should not be selected for breeding.

Treatment of Entropian
Treatment involves the injecting of 1ml of slowly absorbed antibiotic under the skin of the lower lid with a thin tipped needle.
Saline can be injected into the bottom eyelid to create a bubble. A small amount of saline is used. This method streches out the eyelid.
In very mild cases manual eversion may work. Eyelids should be dried and a fold of skin close to the eyelid margin should be pressed briefly and firmly between the finger and thumb.This eversion should be repeated several times a day. A topical lubricant should be applied to protect the cornea. You are basicly rolling the eyelid out.

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