A kitten’s eyes that have been blurry for more than ten days may be caused by bacterial infection or viral infection. You need to observe whether the kitten’s eyes have redness, swelling, tears, pus, edema, etc. If these symptoms are present, it may be conjunctiva. It is caused by inflammation, feline herpes virus, calicivirus and other reasons. It is necessary to take the kitten to the pet hospital for examination and treatment in time to avoid aggravation of the condition and risk of life.