восстановление близорукости

Most внутрення an environment of an eyeball - the retina will consist from высокодифференцироьанных nervous elements. Микроскопически in it{her} distinguish 10 layers. The most external layer is световоспрннпмающим, it{he} is inverted to a vascular environment and will consist from нейроэпителиальных cells{cages} - sticks and колбочек, perceiving light and colors. The following layers are formed by cells{cages} conducting nervous irritation and nervous fibres. Nervous fibres form an optic nerve. Area most выесокого sight in a retina is the so-called yellow stain with central ямкой, containing only колбочки. Подробнее...

Склера, consisting of dense collagenic fibres, it is opaque, poor blood vessels. The forward part склеры is covered конъюнктивой. On border of connection склеры with a transparent cornea is present superficial желобок in the width ок. 1 mm, so-called лимб. A cornea - transparent бессосудистое formation{education}, in the optical attitude{relation} working similarly to strong convex glass. She{it} possesses very high sensitivity a plenty of the nervous terminations{endings} located basically in its{her} superficial layers. Подробнее...