Long-term outcomes of free internal limiting membrane transplant for unclosed macular holes after extensive internal limiting membrane peeling and silicone oil tamponade: a report of two cases. Hong Kong J Ophthalmol [Internet]. 2020 Jun. 23 [cited 2026 Jul. 27];24(1):18-21. Available from: https://hkjo.hk/index.php/hkjo/article/view/267