 The eye problems associated with the King Charles Spaniel include cataracts , corneal dystrophy , <unk> , entropion , microphthalmia , optic disc <unk> , and keratitis . Compared to other breeds , the King Charles Spaniel has an increased risk of <unk> ( where extra eyelashes or hairs cause irritation to the eye ) . Inheritance is suspected in the other conditions , with ages of onset ranging from six months for cataracts to two to five years for corneal dystrophy . 
