question: Hi doctor, My father, who is 53 years old, has been diabetic for the last 20 years and takes Insulin. His eye problem started before a year. Due to which there is blurred vision and everything he sees seems red. According to physicians, there is a blood clot on the retina and for which they have injected Accentrix. He was advised to follow up after a week. Kindly give your expert advice on the treatment being done.