Wiley Acta Medica Okayama 2050-0904 12 5 2024 Decades of stability of conjunctival vascular malformations in two patients e8933 EN Toshihiko Matsuo Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University Takehiro Tanaka Department of Pathology, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University Yoshihiro Kimata Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University A 65-year-old woman with diabetic retinopathy underwent glaucoma surgery to construct a filtering bleb adjacent to conjunctival hemangioma, and showed bleb function and stable hemangioma for a decade. A 1.5-year-old girl with right eye lid and cheek swelling by orbital to facial lymphangioma was followed for visual acuity development. Conjunctival lymphangioma was stable in 20 years. No potential conflict of interest relevant to this article was reported.