Eyeball, or organ of vision, despite its diminutive size, has a very complex anatomical structure. Macroscopically, this body has the form of a ball that is not quite perfect, because its visible front portion has a greater curvature than hidden from the eyes back surface. This fact determines inequality of dimensions of the eyes in different directions. Due to the convexity of the cornea in the anterior-posterior size of the organ of vision greatest. On average, a healthy adult he is close to 24 mm. Transverse and vertical axes are approximately the same: the average size of the transverse axis of the eye is 23.6 mm and 23.3 mm for the vertical.
Structure of the eyeball
In the body there are three important shell, which perform different from each other function.
The Eyeball in addition to the shells inside has the vitreous, which gives it a distinctive rounded shape and is involved in the refraction and the crystalline lens, which is involved in accomodating processes and refraction of light beams.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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