Evaluating How Well Different Types of Light-sensitive Cells in the Eye Contribute to Its Focusing Ability
Recruiting
N/A
Interventional Study
Monochromatic
L- and S-cone Modulation Only
L- and M-cone Modulation Only
M and S-cone Modulation Only
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
At a Glance
- Age
- Up to 35
- Sex
- Any
- Study type
- Interventional
- Purpose
- Basic Science
- Participants needed
- 20 (estimated)
- Sponsor
- Rochester Institute of Technology · Other
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About This Trial
In this experiment, subjects will view shapes on a screen with varying colors and be asked to focus their eyes on the shapes. The shapes will look as though they are jumping to random distances away from the eye. As the subjects focus their eyes on the shapes, the investigators will measure the focus of their eyes using a device called a wavefront sensor. This device uses infrared light to measure…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Between 18-35 years of age
* Normal or corrected-to-normal (glasses/contact lenses) vision.
Exclusion Criteria:
* Vision worse than 20/20 while wearing glasses / contact lenses.
* Fragile or loose teeth (participants need to bite a piece of dental clay to stabilize their hea…
Contacts