Figure 3. Use your blind spot to make the sun disappear! Close your right eye, and fix your gaze on the X. At the right point, the sun should disappear. Note that the sky seems to fill in where the sun used to be.
How will my information be used?
When you express interest in a specific study, the information from your profile will be sent to the doctor conducting that study. If you're eligible to participate, you may be contacted by a nurse or study coordinator.
If you select a health category rather than a specific study, doctors who have active studies in that area may contact you to ask if you would like to participate.
In both cases, you will be contacted by the preferred method (email or phone) that you specified in your profile.