The Influence of Postoperative Postures on Persistent Sub-foveal Fluid After Scleral Buckle Surgery

Not Applicable

Brief Summary: The purpose of this study is to evaluate whether postoperative postures influence persistent sub-foveal fluid after scleral buckle surgery

Detailed Description: In this study, we are to compare the difference of influence of two postoperative postures on the incidence and duration of persistent sub-foveal fluid after scleral buckle surgery for macula-off retinal detachment

Recruitment & Eligibility

Inclusion Criteria

Exclusion Criteria

Arm && Interventions

Group	Intervention	Description
supine	postoperative postures	postoperative postures: patients in this arm are assigned to adopt supine position for 24 hours after the surgery
temporal lateral	postoperative postures	postoperative postures: patients in this arm are assigned to adopt temporal lateral position for 24 hours after the surgery

Primary Outcome Measures

Name	Time	Method
duration of absorption of persistent sub-foveal fluid after surgery	Time from the date of operation until the date of absorption of sub-foveal fluid determined by OCT. The estimated period of time over which the event (absorption of sub-foveal fluid ) is assessed is up to 1 year.	time interval from surgery to the date of disappearance of sub-foveal fluid on OCT

Secondary Outcome Measures

Name	Time	Method
best corrected visual acuity	6 months after surgery

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