[header] How to treat eye problems in boston terriers [title] Watch for signs of a corneal ulcer. [step] Your dog's eye may water a lot to the point that it looks like he's crying. The eye can look red and you might see a layer of film over your dog's eye. 
These can all be signs of a corneal ulcer. [substeps] A corneal ulcer is like a burst blister on the surface of the clear part of the eye (the cornea).