1. light
2. clear
Kanji
1. light
2. clear
1. glaring (eyes); piercing
1. keen eyes; piercing gaze
2. insightfulness; acumen
1. shining; radiant
1. Sharp-eyed; Penetrating
1. Keen eye; Discriminating judgment
1. Wasn't discerning.; Didn't have a keen eye.
1. Not insightful.; Not sharp-eyed.
1. If/when sharp-eyed; If/when discerning
1. Not discerning.; Not sharp-eyed.