▶ Black Eye™ is a sterile ink designed to be used as an endoscopic marker for marking polyps and lesions in the gastrointesti ... nal tract. ▶ Black Eye™️ is supplied in a ready-to-use, pre-filled syringe containing 5ml of the marker. Each syringe is packed in blister pack. ▶ 10 syringes are packed in one box. read more