What does vision acuity mean?
What does vision acuity mean? Visual Acuity is the clarity or sharpness of vision. What is the most common cause of poor visual acuity? The leading causes of blindness and low vision in the United States are primarily age-related eye diseases such as age-related macular degeneration, cataract, diabetic retinopathy, and glaucoma. What affects visual acuity? The factors determining visual acuity in a healthy eye are chiefly refractive error, visual angle, illumination, or rather brightness, contrast and period of exposure. Subordinate factors are irradiation, color, glare, width of pupil, attention and fatigue. Does visual acuity decreased with age? Conclusions: Visual acuity...