This article discusses the sales tax exemption on prescription eyewear in California. The exemption is a result of a decision made by the California State Board of Equalization to ensure that individuals with vision impairments have access to necessary eyewear without having to pay additional taxes.

How is the test graded? What’s the minimum score? For both eyes combined? Can you pass the test with one good eye? And what happens to somebody whose vision test score is too low? Can it be appealed or the test retaken? How does all this work?