Distichiasis and Ectopic Cilia

What is it? 
A dog's upper eye lid normally has between two and four rows of eyelashes, while the lower lid has none. 
 
Distichiasis is a condition where extra lashes arise from, or near, the meibomian (oil) glands. Often this condition is asymptomatic, however, when the hairs come into contact with the cornea or conjunctiva mild blepharospasm, conjunctivitis and occasionally corneal ulceration may occur.
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Ectopic cilia emerge from the palpebral conjunctiva and usually protrude directly onto the cornea.  They may appear singly or in clumps and usually cause severe discomfort.   
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Symptoms

Common symptoms include squinting, excessive tearing and development of corneal ulcers. 

Treatment

Treatment for Distichiasis is typically surgical correction via electroepilation or cryoablation, depending on severity of the case. Treatment for Ectopic Cilia is typically surgical excision followed by electroepilation or cryoablation to prevent re-growth.