[eurekin]

Sun emits much stronger IR, near-IR, UV

[bregma]

Absolutely, and is a major cause of cataracts. Somewhat near 100% of people with lenses in their eyes will get cataracts eventually if they are ever exposed to unfiltered sunlight.

[IsTom]

And staring directly at the sun is not recommended.

[jayd16]

That's why we don't look at it.