What is visual acuity and what does 20/20 vision mean? Visual acuity (VA) is commonly referred to as the sharpness of vision, measured by the ability to discern letters or numbers at a given distance …

Snellen Eye Chart Home use of this Snellen eye chart will help you determine the clarity of your distance vision. This can be useful to screen children for nearsightedness, which causes blurry distance …

Comprehensive eye and vision examinations are recommended at least every two years for asymptomatic, low-risk persons ages 18 through 39 to evaluate changes in eye and visual function, …

Vision screening is a brief test to determine whether a person’s vision falls within the normal range. Screening answers only one question: does the person show possible problems that indicate the …

Eye charts measure only visual acuity, which is just one component of good vision. They cannot determine if your eyes are “working overtime” (needing to focus more than normal, which can lead to …

All applicants for licenses, and persons being re-examined, are given simple vision tests by driver license examiners; but when more accurate measurements are needed, when an improvement in …

For this reason, several national organizations have developed vision screening policy recommendations to assist schools and communities in conducting coordinated vision screenings. …