Grosvenor T, Maslovitz B, Perrigin D M, Perrigin J
J Am Optom Assoc. 1985 Aug;56(8):636-43.
The Houston Myopia Control Study is a 3-year randomized clinical trial designed to test the efficacy of bifocal lenses for the control of myopia. Each of 213 myopic subjects, between the ages of 6 and 15 years, was placed in either a single vision (standard treatment) group, a +1.00 D. add group, or a +2.00 D. add group, by means of a table of random numbers. Subjects in each of the 3 groups were matched on the basis of sex, age, and the amount of myopia. Subjects were accepted into the study during an 18-month period ending in September, 1982, so all subjects will have completed the study by September, 1985. The purpose of this preliminary report is to inform optometrists of the existence of the study and to discuss the factors that must be taken into consideration when designing a randomized clinical trial making use of bifocal lenses for the control of myopia.
休斯顿近视控制研究是一项为期3年的随机临床试验，旨在测试双焦点镜片控制近视的疗效。通过随机数字表，将213名年龄在6至15岁之间的近视受试者分别纳入单焦点（标准治疗）组、附加+1.00 D组或附加+2.00 D组。三组中的受试者在性别、年龄和近视度数方面进行了匹配。受试者在1982年9月结束的18个月期间被纳入研究，因此所有受试者将在1985年9月前完成研究。本初步报告的目的是告知验光师该研究的存在，并讨论在设计利用双焦点镜片控制近视的随机临床试验时必须考虑的因素。
