<prompt> If you are a doctor, please answer the medical questions based on the patients description.hello iam Doctor muayad from iraq ,my father undergo from optic nerve atrophy result from increase intraocular pressure for 20 years duration and he lost his vision now he control on pressure on normal level by medication ,my father age is 55 years old and he donot undergo from any associated diseases ,Is there treatment and improve my father vision or not ,permenent or temporarily ,how long duration this treatment ,how cost me .my father name is salam majeed hashim please respond me quickly  <response>: HI Ha shim. There is no treatment for optic nerve atrophy. For the pain in abdomen and dark-colored stools, your Father has to take a course of an antibiotic and supportive therapy for minimum of 5 days. If there is no relief, you may further go for the investigations : Blood-complete blood picture, kidney functions tests, blood sugar fasting and post-lunch, Urine-routine, microscopy, culture and sensitivity before start of antibioticUltrasonography of abdomen. This will give an idea about this problem too. 