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- low vision visual acuity charts 低视力视力表
- vision visual acuity 视觉, 视敏度, 视力
- Main Outcome Measures LogMAR visual acuity, BCVA, contrast sensitivity and stereoscopic vision. 主要指标 LogMAR视力、最佳矫正视力、对比敏感度、立体视锐度。
- Ocular albinism impairs visual acuity. 眼部白化损害视力。
- Visual acuity improved in 48 eyes (92.31%). 术后48眼(92.;31%25)视力较术前提高。
- special authorization 特别授权
- So how often should I check my visual acuity? 那么我需要多长时间查一次视力呢？
- Numerous clinical studies indicate this compound may play aprotective role in the eye and help maintain visual acuity and healthy vision. 大量的临床研究证明，叶黄素在眼球中扮演一个保护者的角色，它可以帮助保持视觉灵敏度和健康的视力。
- Conclusion: Application of low vision devices not only improves visual acuity, but also benefits to the development of special education. 结论:低视力患儿助视器的应用,不仅能提高视力,改善视功能,而且视觉康复推动了特教事业的发展。
- Having a maximal visual acuity of the better eye,after correction by refractive lenses,of one-tenth normal vision or less(20/200 or less on the Snellen test). 瞎的，失明的通过折射矫正后，最好眼最大视力敏感度为正常视力的1/10或少于1/10的（斯奈伦测试20/200）或更低。
- Having a maximal visual acuity of the better eye, after correction by refractive lenses, of one - tenth normal vision or less(20 / 200or less on the Snellen test. 瞎的，失明的通过折射矫正后，最好眼最大视力敏感度为正常视力的1/10或少于1/10的（斯奈伦测试20/200）或更低
- Every patient received detailed ophthalmologic examinations including visual acuity, near vision, stereoacuity, ocular motility, fundus examinations and cycloplegic refraction. 斜视患者中，外斜视所佔比例最高，有39例(33%25)，内斜视15例(13%25)，其他（上斜视、麻痹性斜视、隐斜视）11例(9%25)。
- Results The results showed the visual acuity of the 90.3% of eyes with PRK and 82.4% of the eyes with LASIK reached the pre-operative best correct vision. 方法对789眼不同屈光度的近视进行了准分子激光治疗,其中PRK治疗277眼,LASIK治疗512眼,观察手术后的视力、屈光的变化及并发症的发生率。
- Dynamic visual acuity test and evaluation of vestibular function. 动态视力检查与前庭功能评定。
- Visual acuity returned to 6/6 with correction 4 days later. 而且视力在四日后可矫正至1.;0。
- Results The visual acuity of 12 eyes (70.09%) was above 0.05. 术后随访平均2月，观察其效果。
- All eyes visual acuity was improved after operation. 15眼(30.;00%25)术中新发现裂孔。
- Preoperative and postoperative visual acuity was compared. 结果术后26眼(92.;86%25)视力较术前提高。
- Visual acuity, perimetry and scotometry were normal in both cases. 两例均为女性，单侧性，中心视力正常，中心视野及周边视野检查亦都正常。
- Having a maximal visual acuity of the better eye, after correction by refractive lenses, of one-tenth normal vision or less(20/200 or less on the Snellen test). 瞎的，失明的通过折射矫正后，最好眼最大视力敏感度为正常视力的1/10或少于1/10的（斯奈伦测试20/200）或更低
