What is Trichiasis of eyelid? Trichiasis in dogs is a common disorder of the eyes, which occurs in some breeds of dogs, including Shih Tzu. It is a condition where the eye is irritated by the hair of the eyelashes or the nearby facial hair. Trichiasis happens when eyelid hairs are directed towards the eyeball, or the facial hair is touching the eye. Trichiasis may cause … [Read more...]