The similarity of a cephalopod eye to our own is a remarkable example of convergent evolution. It does not have a blind spot like ours, because the optical nerve does not penetrate the sensory cell layer, so it is actually the superior eye. reddit.com/gallery/rpohda
Can somebody tell me why a 3-D Animated Cephalopod with her hands in the air like she just donβt care doing the stay fresh pose smiling eyes closed is so fricking cute.
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp6ft
The glass octopus (Vitreledonella richardi) is a very rarely seen cephalopod found in tropical and subtropical waters around the world. The species gets its name from its nearly-transparent bodyβyou can see straight through to the optic nerve, eyes and digestive tract. v.redd.it/8gl0mc434vd71
I've noticed that it's a pretty common trope in alien spec evo for a creature to have 4 or more complex eyes. Does this have any real world precedent beyond arachnids? Is it actually plausible considering insects, vertebrates and cephalopods have only 2 (compound or camera) eyes?
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp682
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp473
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp1cj
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp50o
The glass octopus (Vitreledonella richardi) is a very rarely seen cephalopod found in tropical and subtropical waters around the world. The species gets its name from its nearly-transparent bodyβyou can see straight through to the optic nerve, eyes and digestive tract. v.redd.it/xuauy13y5vd71
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp5jh
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp3ul
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp6mr
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp0k4
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp5rx
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyozui
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp4pi
Would eye structures like those of cephalopods (i.e. color reception reliant on squiggly pupils) work nearly as well on land?
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp5y6
[Self] Newest creation, Cephalopod: wool felt & glass eyes - husband modeling reddit.com/gallery/oyp5ck
Does a cephalopod verted eye allow for a thicker optic nerve and better resolution?
This is assuming everything else remains equal.
The octopus can see with its skin - Octopus skin contains a light-sensitive pigment found in eyes, suggesting that these clever cephalopods can βseeβ without using their eyes. theguardian.com/science/nβ¦
Can tapetum lucidum evolve in cephalopod eyes?
π₯ The Cuttlefish is an incredibly intelligent creature (cephalopod) and as you stare into its massive blue eye, you can almost feel its consciousness. π₯ v.redd.it/8xc6wyu3sel21
Are cephalopod eyes a result of convergent evolution?
Their eyes look so much like chordate eyes, yet other molluscs don't have eyes that look like this. Is this a result of convergent evolution or the nearest common ancestor of chordates and mollusks?
The eyes of cephalopods like this octopus have some remarkable similarities to vertebrate eyes, including lenses, though the evolved independently. One of the interesting differences between these convergences is the lack of a blind spot in these mollusks. gfycat.com/WellwornCalculβ¦
TIL that cephalopods do not have a blind spot in their eyes due to evolving eyesight separately from vertibrates (common ancestor did not possess eyesight) en.wikipedia.org/wiki/Cepβ¦
This squid can change its color from gray to clear and back in the blink of an eye. But this is not uncommon: cephalopods are able to change color so quickly because their color-changing skin cells are under neural control v.redd.it/2t5nyk6tzh631
The Sony A7III with Underwater Animal Eye AF - Just finished editing my most recent 1 minute Underwater Film full of Weedy Sea Dragons, Seahorses and Cephalopods - shot at Kurnell, Australia - what a beast of a cam! hope you enjoy youtube.com/watch?v=ZryNRβ¦
Our similarity with cephalopod eyes despite our eyes' completely seperate evolutionary origins
TIL: cephalopods' eyes can only detect black/white, but they see color anyway by using their lenses to deliberately blur the image so different frequencies of light hit different parts of their retina. By changing the shape of their eye, they essentially bring each color into focus individually. phys.org/news/2016-07-expβ¦
What would our vision be like we if had cephalopod eyes?
Scientists have theorized that octopus/cephalopod eyes evolved apart from our eyes. They work totally differently than ours and still achieve the same purpose! imgur.com/nmt9ioM
Does a cephalopod's eye see poorly out of water?
Howard can see with his skin.Octopus skin contains a light-sensitive pigment found in eyes, suggesting that these clever cephalopods can βseeβ without using their eyes. theguardian.com/science/nβ¦
ELI5: How do cephalopods, like octopuses, see color without more than one type of photoreceptor in their eyes?
How can a believer in Intelligent Design explain that Humans, the pinnacle of Creation, have a less intelligent eye design than Cephalopods?
Clearly the cephalopod eye is irreducibly complex and required a designer. I wonder if he collaborated with the vertebrate eye designer? en.wikipedia.org/wiki/Cepβ¦
Woods Hole Marine Biological Laboratory researchers found that the skin of the cuttlefish Sepia officinalis contains gene sequences usually expressed only in the light-sensing retina of the eye. In other words, cephalopods β octopuses, cuttlefish, and squid β may be able to see with their skin. orionmagazine.org/articleβ¦
Cephalopod eye evolution was modulated by the acquisition of Pax-6 splicing variants nature.com/srep/2014/1403β¦
The octopus can see with its skin - Octopus skin contains a light-sensitive pigment found in eyes, suggesting that these clever cephalopods can βseeβ without using their eyes. theguardian.com/science/nβ¦
A Duke researcher has found two deep-ocean species of cephalopod, an octopus and a squid, can go from transparent to opaque in the blink of an eye (with video). today.duke.edu/2011/11/sqβ¦
TIL the Human Eye is capable of detecting Polarized Light, the only animal aside from Cephalopods known to do so. en.wikipedia.org/wiki/Haiβ¦
"Unlike many other cephalopods, [Nautilus fish] do
not have good vision; [...] They have a simple
'pinhole' eye open to the environment." en.wikipedia.org/wiki/Nauβ¦
Does a cephalopod eye have a fovea?
