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This study will examine the effects of different colors of light on pupil function and alertness.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Light | Experimental | Randomized amount and color of light |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Light | Other | A brief, 1 minute exposure to light of varying color and intensity. The combination of color and intensity will be the same in all participants, but the order in which they are received is randomized. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in pupil size | Change in pupil size from baseline during and following brief light exposure | Baseline and 10 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D008027 | Light |
| ID | Term |
|---|---|
| D060733 | Electromagnetic Radiation |
| D055590 | Electromagnetic Phenomena |
| D060328 | Magnetic Phenomena |
| D055585 | Physical Phenomena |
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| D055620 | Optical Phenomena |
| D011827 | Radiation |
| D011840 | Radiation, Nonionizing |