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Infrared contact lenses let you see in the dark (arstechnica.com)
submitted 4 months ago by will_a113@lemm.ee to c/technology@lemmy.world
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[-] unphazed@lemmy.world 4 points 4 months ago

Whatever happened to the jellyfish eyedrops?

[-] hsdkfr734r@feddit.nl 16 points 4 months ago

jellyfish eyedrops?

Why would they need eye drops? They are submerged in salty water.

[-] unphazed@lemmy.world 7 points 4 months ago

It was an eyedrop that used a protein or something from jellyfish, that affected human eyes to temporarily see better in low light. Been years since I've heard anything about it. Another sensationalized "breakthrough" I guess.

[-] DempstersBox@lemmy.world 1 points 4 months ago

So, the articles are old, but chlorin e6 mixed with insulin and DMSO in saline gives a temporary boost to nightvision.

Sounds fucking awesome, and the ingredients all seem fairly easy to acquire. No commercial product, but why would there be?

[-] darklamer@lemmy.dbzer0.com 4 points 4 months ago

… and don't have eyes!

[-] hsdkfr734r@feddit.nl 3 points 4 months ago* (last edited 4 months ago)

Yes. Light receptors maybe, but eyes...

source

... and light-sensing organs called ocelli, which can sense the presence and absence of light. Additionally, some jellyfish have sensory structures called rhopalia, which contain receptors to detect light, chemicals and movement.

Oh wait! This is unexpected:

... One group of jellyfish, the cubozoan jellyfish, have complex eyes... with lenses, corneas and retinas in their rhopalia.

Huh. Wiki agrees:

box jellyfish are unique in the possession of true eyes, complete with retinas, corneas and lenses.[13] Their eyes are set in clusters at the ends of sensory structures called rhopalia

Whoa.

[-] darklamer@lemmy.dbzer0.com 3 points 4 months ago

WTF!? [subscribe to jellyfish facts]

this post was submitted on 22 May 2025
398 points (100.0% liked)

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