视神经炎:视力和对比敏感度的评估。一项基于医院的横断面研究

Syed Barkar Islam
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摘要

目的:评价不同类型视神经炎患者的视敏度和对比敏感度。研究设计与环境:本研究是在巴基斯坦拉合尔大学教学医院眼科进行的一项以医院为基础的横断面研究。研究的总持续时间为4个月,从2022年1月至2022年4月。方法:共纳入32例患者。采用目的抽样技术进行抽样。年龄在15-45岁的患者被纳入研究。对因疼痛来到眼科就诊的患者进行详细的眼部检查,评估视神经炎,并使用形式表格记录人口统计学特征以及临床体征和症状。结果:32例视神经炎患者纳入研究。患者平均年龄29±8.3SD(范围15-45)。视神经炎进一步细分为乳头炎11例,球后神经炎14例,神经视网膜炎7例。配对t检验比较治疗前后对比敏感度,治疗后差异有显著性。尽管结果表明对比敏感度没有恢复正常,但它们确实表明,通过及时治疗,对比敏感度有可能得到实质性的改善。采用配对t检验后发现,术后VA改善的意义相同,为0.02。结论:ON患者的视力和对比敏感度均受到影响,治疗后VA可改善到正常视力,但对比度很少改善到正常值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optic Neuritis: Evaluation of Visual Acuity and Contrast Sensitivity. A Hospital Based Cross Sectional Study
Objective: To assess visual acuity and contrast sensitivity in various form of Optic neuritis patients. Study Design and Settings: It was a hospital based cross sectional study conducted in eye department of Teaching hospital, University of Lahore Pakistan. Total duration of the study was 4 months from January 2022-April 2022. Methods: A total of 32 patients were included in the study. Purposive sampling technique was adopted for sampling. Patients age 15-45 were included in the study. A detailed eye examination was done in patients presented to eye department with pain and evaluated for optic neuritis, and demographics along with clinical signs and symptoms were documented using a proforma. Results: Total 32 patients were included in the study having Optic Neuritis. Mean age of the patients was 29 ±8.3SD (Range 15-45). The optic neuritis was divided into further sub-divisions, i.e. Pappilits 11 patients, Retrobulbar Neuritis 14 patients and neuroretinitis 7 patients. A paired t test comparing contrast sensitivity before and after treatment showed a significance of .03 improvement after treatment. In spite of the fact that the results demonstrated that contrast sensitivity did not return to normal, they did show that with prompt treatment, a substantial improvement in contrast sensitivity was possible. Same significance of .02 was found for improvement in VA post-operatively when a paired t test was applied. Conclusion: Vision and contrast sensitivity both are affected in ON, however VA can be improved to normal vision after treatment, but contrast seldom improve to its normal value.
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