By Nathan Storey, Johns Hopkins University
Sometimes the best method to support student learning falls outside of the classroom, or beyond a teacher’s actions. A recent study by Neitzel and colleagues highlighted the effect of the Vision for Baltimore (V4B) program on student academic achievement from 2016-2019.
V4B is a school-based vision program in which students in grades preK-8 were provided with free vision screening, with eye examinations and eyeglasses (as needed) for those who failed the screenings. These activities were facilitated by a Vision to Learn mobile eye clinic, eye examinations conducted by licensed optometrists, and eyeglasses provided by Warby Parker, with free replacements available to students who lost or broke their original pair.
Neitzel and colleagues used a cluster randomized clinical trial approach including 127 schools enrolled and randomized into the study. Schools were randomized into 1 of 3 study cohorts using block randomization, with each cohort receiving…
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