Please assess the completion status of the following clinical trial:

Trial Title: Comparing Preschool-Aged Refractive Measurements and Amblyopia Risks Using the 2WIN-S Portable Refractor With Vision Screening by Cycloplegic Refraction in Bangkok

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* corrected visual acuity 0.1 logMAR (Snellen 20/25) or better~* Age 3-6 years old who studies in the kindergarten school that joins the study~* Parents sign informed consent form about allowing their child to join the study~Exclusion Criteria:~* other eye conditions causing visual and 2WIN-S portable refractor working disturbance such as media opacity, history of ocular surgery, strabismus, etc.

- Gender: ALL
- Minimum Age: 3 Years
- Maximum Age: 6 Years
- Healthy Volunteers: t

Study Arms:
- Using 2WIN-S portable refractor for amblyopia screening (Type: EXPERIMENTAL): None

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