An observational study in Vision Impairment, sponsored by Vanderbilt University. Recruiting at 1 site in United States. Open to participants aged 3 Years to 21 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-07-31.
Sponsored by Vanderbilt University · Observational
Providing Access to the Visual Environment is a pediatric low vision grant which has the ability to provide comprehensive, interdisciplinary low vision rehabilitation services to every child in Tennessee with a vision impairment. Children, ages 3-21, with best-corrected vision of 20/50 or worse in the better seeing eye are prescribed optical devices to improve their visual functioning and trained to use the devices.
Subjects are enrolled each school year based on referrals from school systems in Tennessee, ophthalmologists, and optometrists. A total of 90 new students are enrolled each year. Students are provided a comprehensive low vision rehabilitation evaluation by a low vision optometrist and prescribed optical devices to improve distance appreciation, near reading, and other tasks based on individual needs. Students are then trained to use the devices efficiently by master's level teachers of the visually impaired. The teachers travel to the students environment (school/home/work) for the training.
Variables such as ocular disease, age, visual acuity, visual improvement with optical devices, type of optical device, and reading speed are defined for each student. Providing Access to the Visual Environment also provides...
360 studies on the registry are indexed under Vision Disorders; 84 are open to participants now.
This study's planned enrollment of 795 is above the median of 126 across 97 observational studies indexed under Vision Disorders.
Browse Vision Disorders studies →Vanderbilt University is the lead sponsor of 522 studies on the registry; 20 are open to participants now.
Of its 8 completed or terminated interventional studies of FDA-regulated products, 5 (63%) have results posted.
Counted across the registry records on this site, refreshed daily.
Children age 3 to 21 years of age, enrolled in a TN school, with visual impairment
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Children age 3 to 21 years of age Enrollment in a school in Tennessee (private or public)
- Children that are eligible for services due to visual impairment Low vision
Exclusion Criteria:
Success to utilize optical devices
Training with external optical devices to improve visual outcome
Time frame: 3-4 months
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