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The refractive indices of the aquaeous and vitreous humours are not relevant to underwater vision. The critical difference between viewing in air and in water is at the interface, the cornea. Once the light enters the cornea, the refractive properties of the remaining parts of eye are the same in air
976:
I don't, I'm sorry. It's pure synthesis: myopia results in the focal point for distant light being in front of the retina; the cornea and water have refractive indices close to each other; having the cornea in contact with water means that the refraction it produces is diminished (i.e. it moves the
1001:
This article is absolute garbage. Why is an article about something that marine life are known for so ridiculously human-centric? Aside from the single bit on fishes this article somehow extensively talks about the limitations of human underwater vision and all about diving goggles and stuff.
684:
I've put it back. Since plagiarism is passing off someone else's work as your own, text which is attributed cannot be plagiarism. As you rightly point out, Gene, this sort of US Government work does not attract copyright, so there's no reason for us to exclude the text. Good catch!
664:
claiming that "A quote that large is plagarism, sourcing doesn't change that". It is worth noting that the work was a direct quote from Luria and therefore copyright free. Luria was a US Navy employee and this work was performed during the course of their team's research at the US
936:
How is this meant? Can they "see normally", like a normal (not near-sighted) person would underwater? Like a normal person would see when not in water? Or can they see like they normally would, being underwater not having any effect on their vision?
943:
Option (b): more or less like a person with normal vision would see when not in water. In other words, a very near-sighted person can generally focus unaided on more distant objects when underwater than they can when on the surface.
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focal point further away). The result is that a myopic eye in contact with water will probably have its focal point for parallel light quite close to the retina, and is likely to now be within range of the eye's accommodation. --
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A very near-sighted person (eyesight abnormality resulting from the eye's faulty refractive index due to which the distant objects appear blurred) can see more or less normally underwater.
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When people think of looking up an article on underwater vision, they probably want info on marine biology and how underwater vision works on marine life, yet instead they get this.
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Go look at the article for night vision. That article is all about how it works in animals because humans don't have it. That's how this article should be but it isn't.
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is a physical concept of visual distortions expected for aquatic life and divers - it is of sufficient scientific interest to deserve its spot on
Knowledge (XXG).
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http://disc.sci.gsfc.nasa.gov/education-and-outreach/additional/science-focus/ocean-color/images/spectral_light_absorption.gif
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http://disc.sci.gsfc.nasa.gov/education-and-outreach/additional/science-focus/ocean-color/oceanblue.shtml
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669:. Quoting US Government work with a proper citation is not plagarism or a violation of copyright. --
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The article reasonably covers the topic, and does not contain obvious omissions or inaccuracies.
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It is written with as broad an audience in mind as possible. Although
Knowledge (XXG) is
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The topics should stay separate - the merge is not required as the topics are disparate.
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is about photochemistry, neurological and psychological aspects of vision in humans.
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standard, and to comprehensively cover the topic with quality encyclopedic articles.
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and all the sections that can reasonably be included in an article of its kind.
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etc. should be included where they are relevant and useful to the content.
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Content should be organized into groups of related material, including a
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Thanks for the fast reply. Do you know a concise reference for this?
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Why is this article on an aspect of marine biology so human-centric?
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Illustrations are encouraged, though not required. Diagrams and an
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is cited. Any format of inline citation is acceptable: the use of
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It contains a large proportion of the material necessary for an
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I just noticed a few edits back that a table was removed by an
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The article contains supporting materials where appropriate.
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Refractive indices of the aquaeous and vitreous humours
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Please, make this article better. This is ridiculous.
239:, an effort to create, expand, organize, and improve
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111:and that biomedical information in any article
894:technical terms should be explained or avoided
927:Unclear wording regarding near-sighted people
254:Knowledge (XXG):WikiProject Underwater diving
109:Manual of Style for medicine-related articles
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667:Naval Submarine Medical Research Laboratory
1070:High-importance Underwater diving articles
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1050:Unknown-importance ophthalmology articles
118:Knowledge (XXG) talk:WikiProject Medicine
848:does not need to be followed rigorously.
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1013:2001:44C8:41C4:F2C1:2028:6B20:8681:B0CA
882:The article presents its content in an
838:The article is reasonably well-written.
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701:Table of Light Absorption in pure water
634:Underwater vision#Biological variations
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1075:WikiProject Underwater diving articles
257:Template:WikiProject Underwater diving
914:Looks OK, Promoting to B-class • • •
890:more than just a general encyclopedia
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127:Knowledge (XXG):WikiProject Medicine
101:This article is within the scope of
38:It is of interest to the following
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169:This article is supported by
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172:the Ophthalmology task force
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445:Physiological variations
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765:likely to be challenged
632:The first paragraph in
372:Artificial illumination
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671:Gene Hobbs
543:References
472:Visibility
842:brilliant
662:IP editor
780:cite web
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59:Medicine
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844:". The
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337:Section
278:on the
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30:B-class
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571:29,031
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509:1,075
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466:3,685
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415:Humans
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36:scale.
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687:RexxS
619:EyeMD
568:Total
547:7,327
521:1,069
506:1,075
491:2,275
476:2,409
463:3,685
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386:Focus
349:4,776
345:(Top)
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