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Evaluating How Well Different Types of Light-sensitive Cells in the Eye Contribute to Its Focusing Ability

Rochester Institute of Technology · with National Eye Institute (NEI) · NCT07691463

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Up to age 35 · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
20
US sites recruiting
1
Study start
July 2, 2026
Record last updated
July 17, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

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 the optical properties of the eye in real time. Our goal is to find out how well the eye focuses on different colors. Our broad goal is to better understand how the eye focuses because that process is a major part of having clear and good vision.

Being studied: Color

Conditions: Monochromatic; L- and S-cone Modulation Only; L- and M-cone Modulation Only; M and S-cone Modulation Only

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full 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 heads so that measurements can be taken from their eyes)
  • Current pregnancy (experiment requires sitting down without moving for stretches of time)
  • Heart disease
  • Personal/familial history of epilepsy

Recruiting US locations

  • Chester F. Carlson Center for Imaging Science

    Rochester, NY 14623

    Site contact: Benjamin M Chin, Doctorate · 8454534320 · bmccis@rit.edu

Study contacts (from the official record)

  • Benjamin M Chin, Doctorate · 8454534320 · bmccis@rit.edu
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