> human eye is opaque to

Absorbing the laser isn't necessarily any good. Very hypothetically it could lead to cataracts.

Sun emits much stronger IR, near-IR, UV

	▲	bregma an hour ago \| parent \| next [-]
		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 2 hours ago \| parent \| prev [-]
		And staring directly at the sun is not recommended.