eye swiper 

Person usually white who runs their eyes or swipes their eyes in the presence of Asian people. This is probably the most arrogant racist gesture typically displayed but nonetheless it exists

Driving down the highway I encounter a band of eye swipers

eye swiper by Pdpmagi December 31, 2015

Sniper's eye 

1. Someone who has very distinguishing vision.

2. A compliment for long vision.

1. My friend has a sniper's eye and can tell the difference between almost anything!
2. You have a nice sniper's eye.

Sniper's eye by Omair1962 September 25, 2023