新镜配戴不适与旧镜参数的关系分析  

The effect of the parameters of old spectacles on new ones that cause discomfort in patients

作　　者：吴敏[1] 刘丽娟[2] 

机构地区：[1]首都医科大学附属北京同仁医院验光配镜中心,北京100730 [2]北京市眼科研究所,北京100005

出　　处：《眼视光学杂志》2009年第4期303-305,共3页Chinese Journal of Optometry & Ophthalmology

摘　　要：目的探讨新镜配戴不适与旧镜参数的相关关系。方法57例新镜配戴不适者,经重新客观验光与主觉验光检查,确定优势眼,确认新镜度数无误后,询问旧镜配戴时间并检测旧镜度数、瞳距、前倾角、镜眼距等参数,分析两者的相关关系。结果①57例配镜者中有13例旧镜前倾角过大(25.80°±5.93°)或过小(-0.25°±4.95°),调整新镜前倾角后继续配戴。②18例旧镜镜眼距偏小(6.78±1.80)mm,调整新镜镜眼距后继续配戴。③5例旧镜光学中心水平偏差(6.60±1.82)mm,2例垂直偏差(4.50±0.71)mm,向患者解释后继续配戴新镜。④5例因新、旧眼镜柱镜度数相差(-0.56±0.18)DC,患者配戴新镜后眼酸胀感明显,将两者柱镜差值减少到(-0.15±0.21)DC后舒适度提高。⑤12例旧镜双眼矫正视力差别较大,新镜优势眼矫正视力与辅助眼相同或略佳,配戴新镜有酸胀感,重新更换眼镜使双眼视力差别介于旧镜与新镜之间,清晰眼同旧镜,患者眼疲劳缓解。⑥2例旧镜负度数偏高(红绿视标G>R),新镜根据验光结果降低度数验配,矫正视力虽达到0.99±0.02,但患者感觉清晰度下降,增加负度数使矫正视力达1.03±0.03后,患者接受。结论旧镜度数、瞳距、前倾角、镜眼距等是影响新配眼镜舒适度的重要因素。Objective To investigate the effect of the parameters of old spectacles on the new ones that cause discomfort in patients. Methods Fifty-seven patients who were uncomfortable with their new spectacles were involved in the study. Data was collected on the length of time that the old spectacles were worn. Objective optometry （retinoscopy） and subjective optometry tests were repeated. The dominant eye was determined. Prescriptions for the old spectacles were checked （the diopters of sphere and cylinder and its axis）. Measurements were taken of the front inclination angle of the old spectacles, the spectacle frame distance and pupillary distance. Results Among the 57 cases： （1）The front inclination angles in 13 cases were either big （25.80°±5.93°） or small （-0.25°±4.95°）. Patients continued to wear the new spectacles after the inclination angles were adjusted. （2）The spectacle frame distance of the old spectacles in 18 cases was （6.78±1.80）mm. Patients continued to wear the new spectacles after the spectacle frame distance was adjusted. （3）The optical center of the lens in the old spectacles was horizontally decentered （6.60±1.82）mm in 5 cases, and vertically decentered （4.50±0.71）mm in 2 cases. Patients continued to wear the new spectacles after an explanation was given. （4）In 5 cases, there was a difference in the diopters of cylinder between the new spectacles and the old ones （-0.56±0.18）DC. The new spectacles were adjusted. The difference in the diopters of cylinder between the new spectacles and the old ones was （-0.15±0.21）DC. （5）In 12 cases, the difference in the corrected visual acuities between both eyes of the old spectacles was bigger than with the new ones. The corrected visual acuity of the dominant eye was better than the fellow eye or similar. The new spectacles were adjusted. The difference in the corrected visual acuities between both eyes with the newest specta- cles was smaller than with the old ones, but the better corrected eye

关 键 词：度数 瞳距 前倾角 镜眼距 

分 类 号：R778.3[医药卫生—眼科]