Eye Problems in Bernese Mountain Dogs

A Bernese stands 23 to 27 inches at the shoulder, which puts its eyes at exactly the height of bramble, low branches, tall grass seed heads and the enthusiastic paw of a playmate. The double coat and heavy brow furnishings offer some protection, but they do not stop a sharp edge meeting the eye directly, and a dog investigating undergrowth nose-first rarely sees the strike coming.

A superficial abrasion involves only the outermost layer of the cornea. It is painful, it waters, the eye may be held partly closed, but the surface typically re-epithelialises within two to three days with topical treatment and does not threaten vision. The concerning version is a deeper wound or an ulcer, where the injury goes further into the corneal tissue. This can progress within hours, especially if bacteria establish in the wound or if the dog's own paw scratches it further out of discomfort. An ulcer left untreated can deepen to the point of perforation, which is a genuine risk to the eye itself, not just to comfort.

What separates the two at home is largely impossible to judge by looking. Both start with squinting, watering and rubbing. A vet uses a fluorescein stain, a simple orange dye that highlights damaged corneal surface under blue light, to see exactly how deep the injury goes and whether it is healing or not. This single test is why any eye that stays closed, cloudy or painful for more than a few hours needs a same-day look rather than a wait-and-see approach.

Foreign material adds a second problem. Grass awns and seed heads are barbed and migrate forward rather than working their way out, so a piece lodged under the third eyelid or in the conjunctival fold can keep re-injuring the surface long after the original walk. If an eye keeps flaring after apparent improvement, a retained foreign body is one of the first things worth ruling out.

If you think your Bernese has eye problems, the plan is three steps: write down what you have seen and when it started, book a veterinary appointment rather than waiting for the next flare, and take video of the behaviour or symptom before you go — the thing you are worried about rarely happens in the consulting room. Screening in the parents covers hip dysplasia, elbow dysplasia, bloat (gdv).

What the vet visit should produce is a diagnosis and a written plan, not just reassurance: what is being ruled out, what the monitoring interval is, and which signs mean you come back sooner. Ask what the treatment costs across a year rather than per visit, because that is the number that decides whether you are managing this condition or reacting to it.

Between appointments, keep a short log — dates, what you saw, what changed. It is the single most useful thing an owner brings to a follow-up, and for eye problems it is often what separates a clear pattern from a guess.