Talk:Lens (anatomy)

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This showed up recently at Cardinal point (optics)#Surface_vertices but I find no mention of it here at Lens (anatomy):

In anatomy, the surface vertices of the eye's lens are called the anterior and posterior poles of the lens[1].

Is it accurate? Is it important information that should be included here as well? Ewlyahoocom 14:32, 7 March 2006 (UTC)

That isn't the only thing missing from this article. I think that this is a topic that deserves much more detail. ( 05:45, 22 March 2006 (UTC))


As I was reading this text I noticed an error on the second diagram. The light's path is incorrect. Do correct me if I am wrong? Miapowell 00:05, 5 December 2006 (UTC)

They're both wrong. Refraction happens on front and back surfaces. -lysdexia 22:43, 12 March 2007 (UTC)


I have heard that the lens has birefringent characteristics. Does this introduce multifocii, or at least dual focii, into the optics? If so does this enhance the visual ability and/or the ability of the eye to maintain its focal control? Sapoty 06:25, 7 July 2007 (UTC)

8/2007 rework[edit]

I rewrote some paragraphs, added some info on structure, function, and disease. However, this article still needs more info on development and supply of the lens with nourishment.Jasu 16:35, 21 August 2007 (UTC)

Error in accommodation[edit]

As it stands, the article states that the ciliary muscle contracts to 'stretch the lens' to enable it to reduce its power. Being a radial muscle, it in fact relaxes to increase zonular tension, which allows the lens return to its resting state. I have edited the page to reflect this. Fillup (talk) 00:12, 28 December 2009 (UTC)