Short-term in-office practice improves reading performance with stand magnifiers for people with AMD
Short-term in-office practice improves reading performance with stand magnifiers for people with AMD
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DOI：
10.1097/01.opx.0000153244.93582.ff
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发表时间：
2005-02-01
影响因子：
1.4
通讯作者：
Brown, B
中科院分区：
文献类型：
--
作者：
Cheong, AMY;Lovie-Kitchin, JE;Brown, B
目的。视力低下的人经常使用光学助视器来辅助阅读。已经有许多培训计划被推荐用于培训使用放大镜阅读的人。然而，大多数程序都是耗时和劳动密集型的。在这项研究中，我们调查了第一次使用立式放大镜(STM)时，家庭大字阅读练习对阅读成绩的影响。方法：研究方法。招募了32名患有老年性黄斑变性(AMD)且几乎没有使用放大镜阅读经验的受试者。他们被分成三组：对照组、练习1(PI)和练习2(P2)。在开出STM处方之前，所有受试者都被给予等量的STM办公室练习(0到2周)。此外，在这两周内，让P1和P2的受试者每天在家阅读大号纸质书。P2的受试者被要求通过缩小的视野阅读大字印刷的书籍。控制组受试者没有接受额外的阅读练习。在为期20周的时间里，所有受试者定期评估在使用和不使用STM的情况下的阅读速度。结果。对照组、P1组和P2组在STM对阅读速度的提高上无显著差异(p=0.29)。在0.004周时，短时记忆的小字阅读速度显著慢于同等大小的大字阅读速度(p=0.02)，但随着时间的推移，短时记忆的阅读速度显著增加(p=0.02)。经过2周的办公室放大镜练习和重复测量STM的阅读率，STM的阅读率有所提高，与大字阅读率无显著差异(p=0.11)。结论。有监督的、短期的、在办公室内使用放大镜的练习有效地提高了放大镜的阅读性能，以达到最大的阅读速度。额外的大字阅读练习并不比单独的办公室放大镜练习对阅读率有任何更大的改善。
Purpose. People with low vision often use optical low vision aids to assist reading. There have been numerous training programs recommended to train people using magnifiers for reading. However, most of the programs are time consuming and labor intensive. In this study, we investigated the effects of home-based large print reading practice on reading performance when stand magnifiers (STM's) are first prescribed. Methods. Thirty-two subjects with age-related macular degeneration (AMD) and with minimal experience in using magnifiers for reading were recruited. They were divided into three groups: control, practice 1 (PI), and practice 2 (P2). Before the prescription of STM's, all the subjects were given the same amount of in-office practice with the STM (weeks 0 to 2). In addition, in these 2 weeks, P1 and P2 subjects were given large print books to read daily at home. P2 subjects were required to read the large print books through a reduced field of view. The control group subjects received no additional reading practice. Reading rates with and without STM's on passages of text were assessed for all the subjects regularly for 20 weeks. Results. There were no significant differences between the control, P1, and P2 groups in the increase in reading rate with STM (p = 0.29). At week 0, reading rate for small print with STM was significantly slower than reading rate on the equivalent-sized large print (p = 0.004); however, as time went on, reading rate with STM's increased significantly (p = 0.02). After 2 weeks of in-office magnifier practice and repeated measures of reading rate with STM, reading rate with STM had improved such that it was not significantly different from reading rate on large print (p = 0.11). Conclusion. Supervised, short-term, in-office practice with the magnifier was effective in improving magnifier reading performance to achieve maximum reading rate. Additional large print reading practice did not result in any greater improvement in reading rate than in-office magnifier practice alone.