Please assess the completion status of the following clinical trial:

Trial Title: The Influence of Silicone Oil on Nerve Fiber Layer Thickness After Pars Plana Vitrectomy

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_CONTROL
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~- patients with rhegmatogenous retinal detachment~Exclusion Criteria:~* preexistent glaucoma~* previous retinal surgery~* placement of scleral buckle during surgery~* patients with more than 1/2 of emulsified silicone oil in anterior chamber postoperatively~* patients who develop silicone oil keratopathy postoperatively~* patients who develop silicone oil cataract which blocks visualization of posterior segment

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- NO IOP (Type: None): Patients without raised IOP
- RAISED IOP (Type: None): Patients with raised IOP

Based on this trial design, predict the completion outcome and termination type (if applicable).