Is This Considered Medical Malpractice?

Back in 2002 my husband got hit in the eye and had to go to the emergency room to get sewn up. What the doctor did not do is refer him to a eye specialist to make sure the eye was ok. That same year my husband went to the doctor because he was seeing flashes, but the doctor just blew him off and said it was old age. 4 years later my husband started seeing distorted images he then went back to the doctor and she then refered him to a retina specialist becasue he had a detached retina. That doctor said everyhting was going to be ok but in reality it has been a nightmare. After that first surgury he had received another detached retina in a diferent place because of the surgury. He then was diagnosed with glaucoma and cataracts. The pressure from Glaucoma caused a petrution in the white part of the eye which consistently irritates him. He is always in pain and can not work and a lot of life activitys has come to a stop. All the while the doctors seem to not know what to do. Excuses Excuse