RESUMEN
Background Macular hole retinal detachment(MHRD) causes severe decrease of vision.Pars plana vitrectomy has been applied for MHRD.Silicone oil and C3F8 have been used as intraocular tamponade materials,while there are still controversity on their efficacy.Objective This trial was to evaluate the efficacy of vitreous surgery combined with silicone oil or C3F8 tamponade for patients with MHRD in highly myopic eyes.Methods A retrospective case-controlled study was designed.Fifty-one patients who underwent vitrectomy with intraocular tamponade were retrospectively analyzed.The best corrected visual acuity(BCVA) before and after surgery were examined and campared between two groups.The rate of recurrent RD and macular hole closed were analyzed.Results There was no significant difference in BCVA between silicone oil group and C3F8 tamponade group before and after surgery(U=266.000,P =0.286 ; U =205.000,P =0.029).The BCVA after surgery was elevated in both groups (Z=-2.729,P =0.006 ; Z =-3.273,P =0.001).The rates of recurrent RD and macular hole closed were no difference between two groups(P=0.894,1.000).There were no other complications but cataract.Conclusions C3F8 tamponade of MHRD in high myopic eyes show the same efficacy as silicone oil tamponade.