A. I would strongly recommend to take him to your veterinarian as soon as possible in case of a corneal ulceration/damage. This condition would require immediate diagnosis and treatment.
A. Place an e-collar (cone) on him to prevent scratching or rubbing. Schedule an appointment with your vet or a veterinary ophthalmologist. Any eye injury should be evaluated and treated as soon as possible. A scratch on the cornea is quite painful and can lead to infection or permanent damage.
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