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Driving with Bioptic Telescopic Spectacles (BTS)

 

作者: William Feinbloomt,  

 

期刊: American Journal of Optometry and Physiological Optics  (OVID Available online 1977)
卷期: Volume 54, issue 1  

页码: 35-42

 

ISSN:0093-7002

 

年代: 1977

 

出版商: OVID

 

数据来源: OVID

 

摘要:

The first report published on the use of bioptic telescopic spectacles (BTS) by low-vision drivers was the paper by Korb1in 1970. Korb reported that over a 6-year period, 128 patients wearing BTS had a lower accident rate than the general deriver population. In 1972, Vies2reported on 26 low-vision patients rehabilitated for driving through the use of BTS, and he presented the results of a written questionnaire submitted to his patients. Kelleheret al.3reported the experiences of the first person to receive a license to drive using BTS in California, and Levin and Kelleher4reported on 6 more patients fitted with BTS for driving. Kelleher5and Jose6have reported on training procedures for BTS drivers.My first experience with a patient who used-BTS while driving dates back 18 years. The patient, Commodore R. B., aged 68, had been fitted with a ×2.2 BTS, which improved his distance acuity from 20/100 to 20/30. When this patient had had 20/100 vision, he had retained his driver's license and had continued to drive; after being fitted with the BTS he started, on his own, to use it for driving. I learned of this in a routine follow-up visit, in which he reported that his driving ability and confidence in driving were greatly improved when wearing the BTS. He could navigate easily, read signs, and see details more clearly.Commodore R. B.'s report encouraged me to try to rehabilitate other low-vision patients by having them drive with BTS. Slowly, I fitted a few patients each year, so that now I am able to report on a group of 300 such patients fitted in the last 18 years. During this time I developed additional BTS systems. The new telescopic units were the ×3.0 standard, ×4.0 standard, ×2.2 wide angle, and ×3.0 wide angle. These new systems allowed low-vision patients whose corrected spectacle acuity was as low as 20/200 to attain the standard 20/40 required by most licensing authorities. The wide-angle BTS systems also extended the range of patients who can be helped.

 

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