Light burn?

.Smoke said:

I've got a couple areas on top leaves showing signs of stress. The bottoms look okay...
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But I'm starting to get green veins, some sunburst coloring and leaf twist up top
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I dimmed the light a bit and cut Ec back a little for now.
I'm 90% sure I'm seeing the early signs of light burn, but wanted to get some other opinions on it.

What do you all think?

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