Noun:

1. Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)

snelln.钩线adj.<苏格兰>敏捷的；精明的；刺骨的Snelln.斯涅耳(人名）Snellentian.天舟蛾属Snell's law金泰斯库snell cells[医] 斯内耳氏电池Snellen type斯内伦[试]标型Snellen test斯内伦试验Snell rs law斯涅尔折射定律Snellen sign斯内伦征Snellen chart斯耐伦视觉图片Snell's cells根奇Snellen reflex斯内伦反射(耳红反射)