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Lens

Lens

(Science: physics) a transparent optical element, so constructed that it serves to change the degree of convergence or divergence of the transmitted rays.


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Re: Evolutionary advantage of seeing 'upright'

Does our image actually flip? Does the brain actually turn the image like a single lens reflex, rather than a box brownie? There is no "image." Your brain isn't like a television. It directly processes the signals coming in from your optic nerve - at no ...

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by TheSunshineEmperor
Wed May 23, 2012 5:03 am
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 4717

Re: Evolutionary advantage of seeing 'upright'

... see things upside down. Hi Rap. You make a very good point. Does our image actually flip? Does the brain actually turn the image like a single lens reflex, rather than a box brownie? I think it does. There are cases where a blow to the head can reverse the image temporarily, which suggest that ...

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by animartco
Tue May 22, 2012 11:46 pm
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 4717

Re: We are programmed entity

... Another abortion procedure called D&e "expansion and absorb" (dilation and evacuation). ... Modern science may be placed in the womb lens to envision the inside

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by lucy520
Wed Feb 29, 2012 8:14 am
 
Forum: Human Biology
Topic: We are programmed entity
Replies: 4
Views: 1521

Re: Theories - Origin of Life

... at a certain stage in development. ( Deamer in 1964 referred to Vandel’s (1961) discovery of this fact.) This arresting takes place during lens formation. However no genes understood to function during eye formation, appear to be damaged. Also when the lens of an embryo of a surface fish ...

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by scottie
Sun Dec 25, 2011 1:01 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 549
Views: 600415

Evolution or De-evolution?

... So, at the beginning of Vendian to live like, even larger protozoa with developed intracellular eye where the lens was a vacuole, may have had the iris, akomodation..., and, of course, was the visual analyzer of information! Joining together in multi-cellular ...

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by LeoPol
Mon Nov 07, 2011 2:08 pm
 
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 43
Views: 19575
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