полная диагностика зрения

Actually, any eye (irrespective of, whether there is a speech about a normal eye with usually normal sight or we deal with eyes with the broken sight) has no always the same value of a refraction. The refraction of any eye varies not only day by day, not only hour from one hour or from one minute to one minute, but it is literally every second. Подробнее...

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...