The distance is 5 meters.
Standard vision table according to the measurement distance and measurement function is divided into near vision table and far vision table, near vision table measurement distance for 25 cm, measured for near vision; far vision table measurement distance for 5 meters, measured for far vision, the revised near and far vision table have increased the number of reticle, and improve the uniformity of the arrangement of the reticle, enhance the accuracy and convenience of vision test.
The new standard retains the original version of the angle of view, the shape of the reticle, the standard distance, the rate of increase of the reticle and the visual acuity mark on the basis of the size of the basic remains unchanged, the obvious change is that the first line (5 points recorded as 4.0) from the original single reticle increased to two reticles.
Expanded information:
The requirements for the physical examination of the college entrance examination are stipulated:
1, eyesight examination The standard logarithmic visual acuity chart is used uniformly, and the results of the examination are recorded by the 5-point recording method. Anyone with visual acuity of less than 4.8 in one eye is required to use corrective lenses to measure visual acuity, and anyone with less than 4.8 correction should have his or her eyes examined.
2, the fundus only see myopia characteristics without other abnormalities, increase the number of lenses far vision is improved. The actual corrected visual acuity and the number of corrected lenses can be recorded in the physical examination form.
3, where the impact of learning in higher education in the heart, liver, lungs, kidneys and other vital organs of the disease from the strict, infectious diseases from the strict, neurological, psychiatric system diseases from the strict, general diseases from the principle of leniency.
Baidu Encyclopedia-New National Standard Vision Scale