equator of the crystalline lens
equator of the crystalline lens
The circle formed by the outer margin of the lens. The equator is not smooth, but shows a number of indentations corresponding to the zonular fibres. The indentations tend to disappear during accommodation, when the zonular fibres are loose.
See crystalline lens;
zonule of Zinn.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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