Effect of Steep Trendelenburg in Laparoscopic Surgery on IOP & RNFL Thickness
Not Applicable
- Conditions
- Intraocular PressureRetinal Nerve Fiber Bundle Deficiency
- Interventions
- Diagnostic Test: OCT (Optical coherence tomography)
- Registration Number
- NCT03097705
- Lead Sponsor
- Carmel Medical Center
- Brief Summary
The effect of Steep Trendelenburg position used during laparoscopic surgery on intraocular pressure during surgery and on the retinal nerve fiber thickness after surgery
- Detailed Description
To measure IOP and RNFL thickness in subjects undergoing laparoscopic operations in steep trendelenburg before, during, and after the operation
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 50
Inclusion Criteria
- SUBJECTS INTENDING TO UNDERGO LAPROSCOPIC SERGURY WHICH HAVE NO EYE DISEASES
Exclusion Criteria
- SUBJECT WITH EYES DISEASE
- PREGNANCY DURING THE STUDY PERIOD
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Arm && Interventions
Group Intervention Description IOP and OCT RNFL measurements OCT (Optical coherence tomography) all subjects will undergo ophthalmological exams including IOP and RNFL OCT measurements
- Primary Outcome Measures
Name Time Method Intra Ocular Pressure (IOP) Change in IOP from baseline to IOP during surgery and to one week and to three months following surgery IOP measurement will be taken before, during and after surgery using ICARE tonometer
Retinal Nerve Fiber Layer Thickness (RNFL) using OCT Change in OCT RNFL thickness from baseline to OCT RNFL thickness during surgery and to one week and to three months following surgery RNFL measurement will be taken before and after surgery using spectralis OCT
- Secondary Outcome Measures
Name Time Method