Please assess the completion status of the following clinical trial:

Trial Title: Corneal Densitometry Changes With Adenoviral SEI

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

Eligibility Criteria:
Inclusion Criteria:~* adenoviral SEI~Exclusion Criteria:~* Other corneal diseases

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: None

Study Arms:
- Tacrolimus (Type: None): Patients were treated with 0.03 % tacrolimus ointment twice daily for 6 months.
- Phototherapeutic Keratectomy (Type: None): Patients underwent transepithelial PTK for subepithelial infiltrates.
- Control (Type: None): patients received only artificial tears eyedrop

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