视觉近点; 视力近点

near of kin distance of near field transaction of near delivery radius of stereoscopic vision sharpness of vision acuity of color vision line of vision people of vision duration of vision distance of distinct vision have vision of catch the vision of examination of near vision near point of accommodation near point of fusion near point of convergence near vision near point near-point distance and near(vision) spectacles for near vision test for near vision standard near vision chart