Present illness refers to the nature of your symptoms. After mentioning your chief complaint, you can go into more detail about your symptoms.Have you had a loss of vision or some change in your vision? Have you had pain, irritation, discharge from the eye, or light sensitivity? Have you been seeing floating spots or flashing lights in your field of vision? If you have pain, what is it like? Is it a sharp or dull pain? Exactly where is it located? Is it present all the time or just occasionally? How severe is it? Do you have any other symptoms while you are having the pain? How long has each of your symptoms been present? If you forget to mention anything relevant, your doctor should ask you about it.