There is the idiom see the light meaning to gain an understanding of something. Per Wiktionary:
see the light
(idiomatic, religious) To undergo a spiritual conversion.
Once I was lost in darkness, but now I have seen the light.
(idiomatic) To gain an understanding of something previously not understood, especially in a sudden insight.
Finally, near the end of the meeting, John saw the light and withdrew his objections.
(idiomatic) To come into the world or to public notice.
His book never saw the light.
There is also sight for sore eyes which Wiktionary defines as:
sight for sore eyes (plural sights for sore eyes)
(idiomatic) A pleasing sight; something that is beautiful to look at.
When the fog lifted, the view of the glacier was a sight for sore eyes.
It is often used to describe something or someone you haven't seen in a long time that you're happy to see (e.g., Sally, it's been too long; you sure are a sight for sore eyes!) or some object that is especially pleasurable in light of recent experiences (e.g., after the slop they fed us in boot camp, the hamburger and fries was a sight for sore eyes.)
And that reminds me of another: in light of. Per Wiktionary:
in light of
(idiomatic, Australia, Canada, US) given, considering
In light of the frequent kidnappings in Iraq, do you suppose someone could invent a small tracking device that could be woven onto clothing and hard to find on it so that when someone gets kidnapped, the tracking devices could pin down their location?
There are also point of view (Wiktionary):
point of view (plural points of view)
A position from which something is seen; outlook; standpoint.
From an economist's point of view, business is all about money.
An attitude, opinion, or set of beliefs.
His point of view is that there is only one true religion.
(literary theory) The perspective from which a narrative is related.
The storyline in the film “The Usual Suspects” is presented from the point of view of an unreliable narrator.
bird's eye view (Wiktionary):
bird's-eye view (plural bird's-eye views)
(idiomatic) The view from directly or high above.
Looking down from the seventh floor balcony gave them a bird's-eye view of the street below.
(by extension) A general overview or summary of a topic.
and hidden in plain sight (Wiktionary):
hidden in plain sight (not comparable)
- (idiomatic) Seemingly hidden, but actually not hidden and easy to find.