1. Cloudy and brownish whites of the dog's eyes may be pigmentation, which will not affect the dog's vision and daily life. Pigmentation will increase with age.

2. It may be caused by eye disease. You need to observe whether there are any abnormalities in the dog’s eyes. If the dog has increased eye secretions and often scratches its eyes with its paws, it is best to take the dog with you. Go to the pet hospital for examination to confirm the cause and treat it promptly to avoid delaying the condition.

3. If the dog feels a foreign body in its eyes and scratches itself, causing damage to the inner membrane of the eyes, the owner can instill anti-inflammatory eye drops into it.

4. When a dog gets angry, it will cause brown patches on the eyes. The owner can inject anti-inflammatory eye drops into the dog. If the dog does not get better within a week after using the eye drops, it is recommended to send it to the doctor for examination.