In Merles there are two colors of merles a blue merle which is a blue-gray color that is carried over through black and a red merle which is a dilute chocolate in the doodle breed, for some reason when produced in the doodle the red comes through as chocolate and really is a chocolate merle by color.
Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more. Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling. Tension headaches, caused by muscle tension, are marked by pain, pressure and tightness around the head. Ocular migraine usually refers to a type of migraine that can cause temporary blindness in one eye.
Of the actual headache causes of pain, there are a few types of headaches that can be causing your symptoms. Tension headaches are headaches caused by muscle strain around the head. Migraines are a common form of headache. One type of headache often associated with eye pain is what is called a cluster headache. This often has associated eye pain and eye tearing. These headaches are similar to migraines, but more common in men. The ear symptom would make me worry about an ear infection. The eye symptoms could represent a cluster headache.