Calabrèse Aurélie, Cheong Allen M Y, Cheung Sing-Hang, He Yingchen, Kwon MiYoung, Mansfield J Stephen, Subramanian Ahalya, Yu Deyue, Legge Gordon E
Department of Psychology University of Minnesota, Minneapolis, Minnesota, United States.
School of Optometry, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
Invest Ophthalmol Vis Sci. 2016 Jul 1;57(8):3836-43. doi: 10.1167/iovs.16-19580.
The continuous-text reading-acuity test MNREAD is designed to measure the reading performance of people with normal and low vision. This test is used to estimate maximum reading speed (MRS), critical print size (CPS), reading acuity (RA), and the reading accessibility index (ACC). Here we report the age dependence of these measures for normally sighted individuals, providing baseline data for MNREAD testing.
We analyzed MNREAD data from 645 normally sighted participants ranging in age from 8 to 81 years. The data were collected in several studies conducted by different testers and at different sites in our research program, enabling evaluation of robustness of the test.
Maximum reading speed and reading accessibility index showed a trilinear dependence on age: first increasing from 8 to 16 years (MRS: 140-200 words per minute [wpm]; ACC: 0.7-1.0); then stabilizing in the range of 16 to 40 years (MRS: 200 ± 25 wpm; ACC: 1.0 ± 0.14); and decreasing to 175 wpm and 0.88 by 81 years. Critical print size was constant from 8 to 23 years (0.08 logMAR), increased slowly until 68 years (0.21 logMAR), and then more rapidly until 81 years (0.34 logMAR). logMAR reading acuity improved from -0.1 at 8 years to -0.18 at 16 years, then gradually worsened to -0.05 at 81 years.
We found a weak dependence of the MNREAD parameters on age in normal vision. In broad terms, MNREAD performance exhibits differences between three age groups: children 8 to 16 years, young adults 16 to 40 years, and middle-aged to older adults >40 years.
连续文本阅读敏锐度测试MNREAD旨在测量视力正常和视力低下人群的阅读表现。该测试用于估计最大阅读速度（MRS）、临界印刷字体大小（CPS）、阅读敏锐度（RA）和阅读易读性指数（ACC）。在此，我们报告了正常视力个体这些指标的年龄依赖性，为MNREAD测试提供基线数据。
我们分析了645名年龄在8至81岁之间的正常视力参与者的MNREAD数据。这些数据是在我们研究项目中由不同测试人员在不同地点进行的多项研究中收集的，从而能够评估该测试的稳健性。
最大阅读速度和阅读易读性指数呈现出与年龄的三段线性关系：首先从8岁到16岁增加（MRS：每分钟140 - 200个单词[wpm]；ACC：0.7 - 1.0）；然后在16岁至40岁之间保持稳定（MRS：200 ± 25 wpm；ACC：1.0 ± 0.14）；到81岁时降至175 wpm和0.88。临界印刷字体大小在8岁至23岁之间保持恒定（0.08 logMAR），缓慢增加直至68岁（0.21 logMAR），然后在81岁时增加得更快（0.34 logMAR）。logMAR阅读敏锐度从8岁时的 - 0.1提高到16岁时的 - 0.18，然后逐渐恶化至81岁时的 - 0.05。
我们发现正常视力下MNREAD参数对年龄的依赖性较弱。总体而言，MNREAD表现出三个年龄组之间的差异：8至16岁的儿童、16至40岁的年轻人以及40岁以上的中老年人。
