unsighted
/ˌʌnˈsaɪtɪd/adjective
1- lacking the power of sight视力不佳的：
blind or unsighted people.
盲人或弱视者。
1.1
- (especially in sport) prevented from having a clear view of something（尤指运动中）视野被阻挡的。
1.2
- not seen未被看见的：
a distant unsighted object.
远处未被看见的物体。