Please assess the completion status of the following clinical trial:

Trial Title: Investigating the Effects of Evening Light Exposure on Melatonin Suppression, Alertness and Nocturnal Sleep

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: FACTORIAL
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~(i) Aged between 18-30 years to reduce the confounding effects of lens aging on the transmission of light to the retina;~(ii) Non-smoking for at least 6 months;~(iii) Healthy (no medical, psychiatric or sleep disorders);~(iv) No clinically significant deviations from normal in medical history, vital signs, physical examination, blood chemistry and hematology, urine chemistry and ECG;~(v) Women of childbearing potential must agree to use an acceptable method of birth control, and must have a negative urine pregnancy test;~(vi) Body mass index of \> 18 or \< 30 kg/m2;~(vii) No drugs or medication likely to affect sleep or alertness, as determined by the investigators;~(viii) Habitual caffeine consumption \< 300mg per day on average;~(ix) Habitual alcohol consumption \< 10 alcoholic units per week on average.~Exclusion Criteria:~(i) History of alcohol or substance abuse;~(ii) Positive result on drugs of abuse screening;~(iii) Current or past history of sleep disorders, including but not limited to obstructive sleep apnea, or any significant sleep complaint;~(iv) Psychiatric disorder;~(v) Recent acute or chronic medical disorder, including but not limited to hepatic impairment and severe chronic obstructive pulmonary disease;~(vi) Visual disorder, including but not limited to color blindness, or family history of glaucoma;~(vii) History of intolerance or hypersensitivity to melatonin or melatonin agonists;~(viii) Pregnancy or lactation;~(ix) Shift work;~(x) Transmeridian travel (2 or more time zones) in past 2 months;~(xi) Any other reason as determined by the Principal Investigator.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 30 Years
- Healthy Volunteers: t

Study Arms:
- Compact Fluorescent Light 90 lux (Type: ACTIVE_COMPARATOR): 90 lux exposure of a commercially available Compact Fluorescent Light (CFL).
- Blue-depleted LED light 90 lux (Type: EXPERIMENTAL): 90 lux exposure of a novel LED white light source that is depleted in the short-wavelength visible range (Biological Illumination LCC, FL).
- Compact Fluorescent Light 50 lux (Type: ACTIVE_COMPARATOR): 50 lux exposure of a commercially available Compact Fluorescent Light (CFL).
- Blue-depleted LED light 50 lux (Type: EXPERIMENTAL): 50 lux exposure of a novel LED white light source that is depleted in the short-wavelength visible range (Biological Illumination LCC, FL).

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