леченме кератоконуса

Distinguish three degrees Б.: weak - up to 3 dioptries, average - from 3 up to 6 dioptries and high - more than 6 dioptries. Allocate as special disease heavy, or progressing, Б., at a cut there are changes in environments of an eye and on eye day. Complications of such kind Б. can be отслойка a mesh environment, a haemorrhage in environments of an eye, etc., resulting{bringing} to significant downturn of sight and even to blindness. 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...