Talk:Simple eye in invertebrates

Eyespots

This needs to be disambigged with the term for eyespots in birds, butterflies &c. Dysmorodrepanis 03:59, 21 December 2006 (UTC)

You can...

Delete my photo if you want. It doesn't matter. --HoopoeBaijiKite 15:53, 19 June 2007 (UTC)

translation please!

"...roles as light adaptors or global excitatory organs, polarization sensors, and circadian entrainers." Layman here. ; ) —Preceding unsigned comment added by 99.152.75.93 (talk) 05:00, 24 October 2008 (UTC)

Ocelli should not redirect here

This jumping spider's main ocelli (center pair) are very acute

Non-arthropod animals have ocelli, e.g. cnidarians. A separate Ocelli article should explain how they detect the direction from which light is coming, then this article can handle arthropod-specific aspects.

BTW the main eyes of spiders are ocelli, and those of jumping spiderss can form images and are very acute. --Philcha (talk) 11:35, 20 November 2008 (UTC)

Reorganization

I can't believe I'm so reckless as to meddle with a science page, but I found the organization confusing. In particular, the introduction didn't seem to conform to Wiki conventions. I was surprised at first to see a cross-reference to a Celtic god, because the source of possible confusion (Ocelus, ocellus) was buried in the text. The subheads I added were intended to help also with redirects. Now that Ocellus has its own subhead, I moved the Celtic god there. The Ocellus redirect page can also go directly to that section -- I noticed someone suggested that Ocellus ought to get its own page, but maybe a distinct section suffices. Dunno, as this is way out of my area of knowledge. Also, there's an issue with stemma, which may need a disambig page -- in philology and related studies it means something altogether different (I was trying to find a link to the stemma I needed when I landed here). Cynwolfe (talk) 14:28, 12 December 2008 (UTC)

Needs much broader scope and simpler explanations

I just read this page after a long time and realised it needs a LOT more work :D I'll try to add some much clearer explanations and put some figures in when I get some time. This used to be an ocelli only page which is now come under the simple eyes in arthropods title - hence the top heavy ocelli description. Simple eyes in arthropods is a big topic so the other subheadings need to be explained. BTW I think the term 'ocelli' in arthropods is (or should be??) specific to insects (I guess to disambiguate from the compound eyes when you are discussing vision in insects). Spider eyes are generally referred to as just 'eyes' (or the location of the eye, e.g. anteromedian) rather than ocelli even though they may be structurally similar (though neurally quite different). Jellyfish eyes are referred to as ocelli so this should have a subsection somewhere. 'Lateral ocelli' and stemmata are the same??? Yup, also need to mention eyespots. FortuneCooky

Need sections on other simple eyes in arthropods

I restrutured the page to (hopefully) a much simpler layout. Also started moving references to bottom of page as editing text very hard to read, then ran out of time. Section on spider eyes needs expansion and references. Dorsal ocelli section needs simplification and an image or two - I'll try to do another time if no one beats me to it :D. Lateral ocelli/stemmata should be moved to another page as not really simple eyes??? Need sections on other simple eyes in arthropods. FortuneCooky —Preceding undated comment added 06:27, 17 April 2009 (UTC).

Stemmata section: missing taxa

From the article: "Stemmata (singular stemma, also referred to as lateral ocelli) are the only eyes of the larvae of several orders of insects (fleas, springtails, silverfish, and Strepsiptera)."

The list of orders may be incomplete. Ladybug larvae (in Coleoptera) have stemmata; so do larvae in Lepidoptera. I'm not an entomologist, but I've reared and photographed larvae of both kinds, and as far as I could tell, they had no other eyes. If fleas and so forth are only examples, an "e.g." is needed. Cognita (talk) 06:25, 18 December 2009 (UTC)

Article may need splitting?

Just now I moved the title of this article to "simple eyes in invertebrates", but I see now that perhaps it would be better to leave this article to be solely about arthropods, and make another more general article for vision in invertebrates in general? Invertzoo (talk) 00:15, 21 May 2010 (UTC)

File:Salticidae sp. AF 2.jpg to appear as POTD soon

Hello! This is a note to let the editors of this article know that File:Salticidae sp. AF 2.jpg will be appearing as picture of the day on March 3, 2011. You can view and edit the POTD blurb at Template:POTD/2011-03-03. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page so Wikipedia doesn't look bad. :) Thanks! howcheng {chat} 17:47, 28 February 2011 (UTC)

Picture of the day

The head of a female Clynotis severus species of jumping spider. The eyes of a spider are called simple eyes (as opposed to compound eyes) because in each eye, a single lens collects and focuses light onto the retina. In this spider, the two largest eyes in the middle are the most acute. The remainder on the sides and on the top of its head are "secondary eyes".Photo: JJ Harrison

what does it mean "Giant clams (Tridacna) have ocelli that allow light to penetrate their mantle"?

what does it mean "Giant clams (Tridacna) have ocelli that allow light to penetrate their mantle"? Does it mean the ocelli is inside the mantle? or something else that I can't think about? Idvash (talk) 15:53, 15 October 2012 (UTC)

Ocelli and tigers

From the linked to article, it is not clear to me that the ocelli of tigers are actually eyes. I have also never heard of this before. Could someone clarify the exact status of these ocelli, possibly with a better source (regarding both content and reliablity status). 80.226.24.1 (talk) 20:18, 7 February 2015 (UTC)

Retinula

The lead mentions them, but it's a technical term that needs to be explained. "Additionally not all ... invertebrates have simple photoreceptors; many... have various forms of retinula...". And retinula is intended to link to some wikipedia entry, but does not. This leaves readers on their own to try to figure out what is being said. The lead is ridiculously over-stuffed with jargon. Turns out, who knew, that it is off-putting to use jargon. It's also poor practice to have a sentence not only stuffed with jargon, but with sub-clause after sub-clause. Make the sentences shorter and their meanings clearer.72.16.96.150 (talk) 07:07, 14 April 2024 (UTC)