контактные линзы коррекция

The wall of an eyeball will consist of three environments: external - very dense fibrous environment consisting of a cornea and склеры; average, vascular, and internal - a mesh environment (retina). Inside an eyeball are a crystalline lens and стекловидное a body. Chambers of an eyeball are filled with an intraocular liquid - an aqueous moisture. Подробнее...

Meanwhile, means of protection of eyes from surplus of light have been stipulated by the nature. A safety role here have been called to play веки which can approach, and the pupil, which size can decrease, adjusting thus quantity{amount} of light acting in an eye. Only at very bright illumination, for example, at electric welding, on a beach, in desert or snow-covered space where the beams of the sun reflected from a surface multiply force of light falling in eyes, there is a need{requirement} for sunglasses. Such need{requirement} can arise and at drivers at long trip on a motorway in solar weather when the sight all time is chained to road. Reflection of light from it{her} in such cases not so pleasantly for eyes which have not passed a special rate of preparation through соляризацию. Подробнее...