Please assess the completion status of the following clinical trial:

Trial Title: Correlation Between Changes in Measures of the Visual System and Changes in Concussion-associated Symptoms

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

Eligibility Criteria:
Inclusion Criteria:~* Participants must be 16 years or older~* Diagnosis of concussion by a medical doctor~* Participants must have concussion-related symptoms lasting at least 8 days, and no more than 70 days at the time of recruitment.~Exclusion Criteria:~* Participants with strabismus or a history of treated strabismus~* Head trauma other than a concussion (minor head injury)~* History of migraine or known neurologic disorders

- Gender: ALL
- Minimum Age: 16 Years
- Maximum Age: 30 Years
- Healthy Volunteers: f

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