Some eye diseases, in the absence of a proper diagnosis and treatment, can cause mild to severe blindness. It is caused by a hormonal imbalance which results in the overproduction of the hormone cortisone. Under normal conditions, the eye contains a fluid called aqueous humour. If this condition remains untreated for a long time, it can result in permanent blindness. This causes sever sore eyelid and pain. It is filled with a liquid called aqueous humour which gives softness to the eye and helps in carrying the vital nutrients to the eye. If you do not experience anything more than a bright red patch on sclera and scratchy eyelid, then you should relax. Disclaimer: This guzzle article is for informative purposes only, and should not be used as a replacement for expert medical advice.
If you observe the given symptoms in your canine friend, take him to a veterinarian immediately. Secondly, detached retina is also one of the possible reasons behind such problems. Sometimes a person can experience the presence of a foreign particle in the eye. Another procedure of inserting tubing with a valve into the eye in order to bypass the drainage, is also included in glaucoma treatment.