States should require older drivers to take periodic vision exams that include tests for acuity, depth perception and peripheral vision.
As in Experiment 1, all participants had normal or corrected-to-normal acuity, assessed with the Federal Aviation Administration's test for near acuity (Form 8500-1) and the Snellen Eye Chart for distance acuity.
All other participants had normal or corrected to normal acuity, as assessed using both the Federal Aviation Administration's test for near acuity (Form 8500-1), and the Snellen Eye Chart for distance acuity.
One-quarter had muscle disorders of the eyes; nearly 30percentt had general untreated visual problems; 23 percent failed a test for visual acuity.
(But, no, I'm not suggesting that there be a voter litmus test for mental acuity; you can imagine the inherent abuses that could arise).
While the more basic components of the eye exam (such as test for visual acuity) can be done by anyone, the more advanced components (such as the slit lamp exam) may require training and proper use of special equipments, best done by eye professionals.
The children were only tested for visual acuity and stereopsis.
The other vectograms of the test provide finer tests for stereoscopic acuity.
During the DST camps, all people who register are tested for visual acuity.
The mice were tested for visual acuity in four trials during one day.
