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/sci/ - Science & Math

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9297243 No.9297243 [Reply] [Original]

Why don't our eyes fog up in the cold?

>> No.9297247

Your eyes stay warm

>> No.9297253

https://en.wikipedia.org/wiki/Dew_point#Calculating_the_dew_point

>> No.9297288
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9297288

>>9297247
>>9297253
But if your heart stopped and got revived later could they be foggy

>> No.9297294

>>9297288
Your eyes are already covered in fluid.

>> No.9297300

>>9297294
But they can still fog up then

>> No.9297450

>>9297300
If you take a mirror, pour some water on it, then breathe on it. Will it fog up?

>> No.9297570

>>9297300

The fluid in the eyes is aqueous humour and that fluid is constantly replaced. (If the fluid isn't drained out, the pressure increases and you can get glaucoma by damaging the optic nerve as increase in fluid increases the pressure on the optic nerve).

>> No.9298327

>>9297243
Is lasik safe?

>> No.9298393

>>9297450
Yes

>> No.9298440

>>9298327

My dad had it like 10 years ago and it came out fine. I'm a pussy because of that 0.0000001% chance of being blind so....

>> No.9298872

Because you blink?

>> No.9298884

>>9297570
>The fluid in the eyes is aqueous humour
the posts in this thread are equally humorous

>> No.9298889

>>9298440
I'm pretty sure literally no one has been blinded by lasik. Some people just have moderately bad experiences. I hate my fucking glasses. Turns my pretty okay weak 7 looking face into a strong 5. I'll probably take it soon, my parents are paying for it too "it was our fault that you kids have bad eye sight so we're paying for all your lasik surgery" heh. They were both like -6 and both had good experiences with lasik.

>> No.9298917

>>9298889

>tfw 19 and just got my results back -6.5.

WTF? This shit keeps going down. And one of my biggest nightmares is blindness. I fucking hate my eyes. Fucking weak ass refraction bullshit.