Stereoacuity testing may be more effective than visual acuity testing. Insufficient evidence to recommend for or against testing asymptomatic school age children. Subjective at other times. Bright Futures recommends not using Snellen test for age 3 years - use HOTV, Tumbling E or picture tests . Discussion about how Snellen vision evaluation is a routine part of the physical exam in most physician practices.
Snellen test is quick, low cost screen.
No recommendation to test normal risk asymptomatic children. Routine UA screening not recommended during infancy by any group Bright Futures - UA not recommended. All authorities agree to begin testing when patient becomes sexually active or by age 18. Consider at age 12 related to sexual activity. Much variation in frequency recommendations.