every time one sees; whenever one looks at
Used to express that something happens or a feeling arises each time the speaker sees something or someone. Often followed by a change or emotional reaction.
Every time I see her smile, I feel energized.
Whenever I look at this photo, I remember that day.
Compound of 見る (miru, 'to see') + 度に (tabi ni, 'every time'). The phrase follows the standard pattern [verb in dictionary form] + 度に.