This paper reviews the current visual acuity standards for UK drivers. These standards have changed in recent years such that car drivers (Group 1) now have two standards to meet: reading a number plate at 20m, and achieving an acuity of 6/12. In the light of these changes, research ...
Visual acuity below the legal threshold for driving in the UK (6/11 or poorer) was present in 13% of subjects. There was no clear association between birth weight or weight at one year and visual acuity. Vision impairment was found to be associated with refractive error, cataract, age-...
Visual AcuityEyePurposeTo assess driving status, habitual visual acuity (VA) in the better-seeing eye, and self-reported driving difficulty among patients diagnosed with age-related macular degeneration (AMD). DesignCross-sectional cohort study of 553 AMD patients' habitual VA, self-reported driving...
visual acuityvisual field defectsWe evaluated the prognosis of visual fields, visual acuity, and fitness to drive and the phenomenon of statokinetic dissociation in patients with pituitary adenoma who undergo surgery. In patients with pituitary adenoma, visual requirements for on road driving performance...
Abstract. Metamorphopsia is a common symptom in different macular disorders. Micropsia and macropsia are special types of metamorphopsia. Recent theories
When feedback is associated with changes in performance, it may increase the efficiency of learning, especially in difficult conditions, which has been shown, for example, in motion-direction discrimination31. Feedback may also promote visuomotor skill acquisition by driving learning in the motor ...
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Although visual acuity testing is very useful to determine the relative clarity of your eyesight in standardized conditions, it isn't predictive of the quality of your vision in all situations. For example, it can't predict how well you see objects that are similar in brightness to their back...
Visual field defects due to spectacle frames: their prediction and relationship to UK driving standards. Ophthalmic Physiolo Opt.1996;16(2):95-100. PubMedGoogle ScholarCrossref 3. Google website. Photos of people wearing Google Glass.https://www.google.com/search?site=imghp&tbm=isch&...
This will reduce a patient's quality of vision in everyday life, for example while driving at night and recognizing a person against a light source, but has only a very limited effect on visual acuity as measured during an ophthalmic examination. As macular pigment absorbs the dominant short ...